557130631 has 2 divisors, whose sum is σ = 557130632. Its totient is φ = 557130630.

The previous prime is 557130619. The next prime is 557130643. The reversal of 557130631 is 136031755.

It is a balanced prime because it is at equal distance from previous prime (557130619) and next prime (557130643).

It is a cyclic number.

It is not a de Polignac number, because 557130631 - 2⁵ = 557130599 is a prime.

It is a super-2 number, since 2×557130631² = 620789079996916322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 557130593 and 557130602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (557130601) 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, 278565315 + 278565316.

It is an arithmetic number, because the mean of its divisors is an integer number (278565316).

Almost surely, 2^557130631 is an apocalyptic number.

557130631 is a deficient number, since it is larger than the sum of its proper divisors (1).

557130631 is an equidigital number, since it uses as much as digits as its factorization.

557130631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9450, while the sum is 31.

The square root of 557130631 is about 23603.6147867228. The cubic root of 557130631 is about 822.8468524135.

The spelling of 557130631 in words is "five hundred fifty-seven million, one hundred thirty thousand, six hundred thirty-one".