Question

check weather following are perfect square or not 1570​

Answer 1

Answer:

No number can be a perfect square unless its digital root is 1, 4, 7, or 9. You might already be familiar with computing digital roots. (To find digital root of a number, add all its digits. If this sum is more than 9, add the digits of this sum.

hope it's help you

Answer 2

Answer:

no, it's square is 39.62