Perfect Square
81534050060657774805625 is a perfect square (285541678325 × 285541678325)
81534050060657774805625 is a perfect square (285541678325 × 285541678325)
81534050060657774805625 is odd
Previous odd number is 81534050060657774805623
Next odd number is 81534050060657774805627
10001010000111111100000111110111100000100000111000111000110111100001001111001
542022165560611410359808297239365926098646964013261308017521728515625