Check whether the following number is a perfect squares or not?

$1250$

Check whether the following number is a perfect square or not?

$9801$

Check whether the following number is a perfect square or not?

$2025$

Check whether the following number is a perfect square or not?

$62500$

Check whether the following number is a perfect square or not?

$16641$

Check whether the following number is a perfect square or not?

$152100$

Find the smallest number by which the following number is to be multiplied to make it a perfect square?

$40368$

Find the smallest number by which the following number is to be multiplied to make it a perfect square?

$19044$

Find the smallest number by which the following number is multiplied to make it a perfect square?

$268912$