557567317 has 2 divisors, whose sum is σ = 557567318. Its totient is φ = 557567316.

The previous prime is 557567303. The next prime is 557567341. The reversal of 557567317 is 713765755.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 555026481 + 2540836 = 23559^2 + 1594^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-557567317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (557567117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278783658 + 278783659.

It is an arithmetic number, because the mean of its divisors is an integer number (278783659).

Almost surely, 2^557567317 is an apocalyptic number.

It is an amenable number.

557567317 is a deficient number, since it is larger than the sum of its proper divisors (1).

557567317 is an equidigital number, since it uses as much as digits as its factorization.

557567317 is an evil number, because the sum of its binary digits is even.

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

The square root of 557567317 is about 23612.8633799461. The cubic root of 557567317 is about 823.0617821745.

The spelling of 557567317 in words is "five hundred fifty-seven million, five hundred sixty-seven thousand, three hundred seventeen".