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Is 25 a Perfect Square?

When the square root of a number is a whole number, it's called a perfect square. Perfect squares are useful in many fields, like woodworking and even in advanced subjects like physics and astronomy.

Take the number 25 as an example. Its square root is 5, which is a whole number. This means 25 is a perfect square.

If you're interested in perfect square numbers, we have a list of the first 1,000 perfect squares.

Is Square Root of 25 a Rational or Irrational Number?

Sometimes, with numbers like 25, you might wonder if it's a rational or irrational number. Rational numbers can be written as fractions, while irrational numbers cannot.

A simple way to tell is to check if the number is a perfect square. If it is, then it's rational. If it's not a perfect square, then it's irrational.

Since 25 is a perfect square, it is a rational number.

25 is a rational number.