57004631 has 2 divisors, whose sum is σ = 57004632. Its totient is φ = 57004630.

The previous prime is 57004601. The next prime is 57004639. The reversal of 57004631 is 13640075.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57004631 - 2¹⁰ = 57003607 is a prime.

It is a super-2 number, since 2×57004631² = 6499055910892322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 57004631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57004639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28502315 + 28502316.

It is an arithmetic number, because the mean of its divisors is an integer number (28502316).

Almost surely, 2^57004631 is an apocalyptic number.

57004631 is a deficient number, since it is larger than the sum of its proper divisors (1).

57004631 is an equidigital number, since it uses as much as digits as its factorization.

57004631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 57004631 is about 7550.1411245089. The cubic root of 57004631 is about 384.8605353067.

The spelling of 57004631 in words is "fifty-seven million, four thousand, six hundred thirty-one".