713557657 has 2 divisors, whose sum is σ = 713557658. Its totient is φ = 713557656.

The previous prime is 713557651. The next prime is 713557667. The reversal of 713557657 is 756755317.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 652342681 + 61214976 = 25541^2 + 7824^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-713557657 is a prime.

It is the 26713-rd Hogben number.

It is not a weakly prime, because it can be changed into another prime (713557651) by changing a digit.

It is a nontrivial repunit in base 26712.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356778828 + 356778829.

It is an arithmetic number, because the mean of its divisors is an integer number (356778829).

Almost surely, 2^713557657 is an apocalyptic number.

It is an amenable number.

713557657 is a deficient number, since it is larger than the sum of its proper divisors (1).

713557657 is an equidigital number, since it uses as much as digits as its factorization.

713557657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 771750, while the sum is 46.

The square root of 713557657 is about 26712.5000140384. The cubic root of 713557657 is about 893.5997191240.

The spelling of 713557657 in words is "seven hundred thirteen million, five hundred fifty-seven thousand, six hundred fifty-seven".