557574631 has 2 divisors, whose sum is σ = 557574632. Its totient is φ = 557574630.

The previous prime is 557574601. The next prime is 557574643. The reversal of 557574631 is 136475755.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 557574631 - 2⁵ = 557574599 is a prime.

It is a super-2 number, since 2×557574631² = 621778938269572322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (557574601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278787315 + 278787316.

It is an arithmetic number, because the mean of its divisors is an integer number (278787316).

Almost surely, 2^557574631 is an apocalyptic number.

557574631 is a deficient number, since it is larger than the sum of its proper divisors (1).

557574631 is an equidigital number, since it uses as much as digits as its factorization.

557574631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 441000, while the sum is 43.

The square root of 557574631 is about 23613.0182526504. The cubic root of 557574631 is about 823.0653810509.

The spelling of 557574631 in words is "five hundred fifty-seven million, five hundred seventy-four thousand, six hundred thirty-one".