Which of the following is not a perfect square number?12252025252530254225

The number 12252025252530254225 is not a perfect square number.

Here's how you can check:

A perfect square number is a number that can be expressed as the product of an integer with itself. For example, 4 is a perfect square because it can be expressed as 2*2.

To check if a number is a perfect square, you can take the square root of the number. If the square root is an integer, then the number is a perfect square. If the square root is not an integer, then the number is not a perfect square.

Let's check the number 12252025252530254225:

The square root of 12252025252530254225 is approximately 110682318308.11, which is not an integer. Therefore, 12252025252530254225 is not a perfect square.