Perfect Square
81529167525248806674025 is a perfect square (285533128595 × 285533128595)
81529167525248806674025 is a perfect square (285533128595 × 285533128595)
81529167525248806674025 is odd
Previous odd number is 81529167525248806674023
Next odd number is 81529167525248806674027
10001010000111011010001111100101100000010101111011000010010111101111001101001
541924797015603145600542494913712438016716137358355768412207213765625