507697 has 2 divisors, whose sum is σ = 507698. Its totient is φ = 507696.

The previous prime is 507691. The next prime is 507713. The reversal of 507697 is 796705.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 461041 + 46656 = 679^2 + 216^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-507697 is a prime.

It is not a weakly prime, because it can be changed into another prime (507691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253848 + 253849.

It is an arithmetic number, because the mean of its divisors is an integer number (253849).

2⁵⁰⁷⁶⁹⁷ is an apocalyptic number.

It is an amenable number.

507697 is a deficient number, since it is larger than the sum of its proper divisors (1).

507697 is an equidigital number, since it uses as much as digits as its factorization.

507697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13230, while the sum is 34.

The square root of 507697 is about 712.5285959174. The cubic root of 507697 is about 79.7752546269.

The spelling of 507697 in words is "five hundred seven thousand, six hundred ninety-seven".