Perfect Square
81537712088138021955625 is a perfect square (285548090675 × 285548090675)
81537712088138021955625 is a perfect square (285548090675 × 285548090675)
81537712088138021955625 is odd
Previous odd number is 81537712088138021955623
Next odd number is 81537712088138021955627
10001010001000010101100010001000100101101100100010100111101010110100000101001
542095202134227698751028331115062599799502112912667046594650634765625