682393697 has 2 divisors, whose sum is σ = 682393698. Its totient is φ = 682393696.

The previous prime is 682393687. The next prime is 682393741. The reversal of 682393697 is 796393286.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 520569856 + 161823841 = 22816^2 + 12721^2 .

It is a cyclic number.

It is not a de Polignac number, because 682393697 - 2¹² = 682389601 is a prime.

It is a super-2 number, since 2×682393697² = 931322315410655618, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (682393637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341196848 + 341196849.

It is an arithmetic number, because the mean of its divisors is an integer number (341196849).

Almost surely, 2^682393697 is an apocalyptic number.

It is an amenable number.

682393697 is a deficient number, since it is larger than the sum of its proper divisors (1).

682393697 is an equidigital number, since it uses as much as digits as its factorization.

682393697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2939328, while the sum is 53.

The square root of 682393697 is about 26122.6663455322. Note that the first 3 decimals coincide. The cubic root of 682393697 is about 880.3965572389.

The spelling of 682393697 in words is "six hundred eighty-two million, three hundred ninety-three thousand, six hundred ninety-seven".