57868313 has 2 divisors, whose sum is σ = 57868314. Its totient is φ = 57868312.

The previous prime is 57868309. The next prime is 57868331. The reversal of 57868313 is 31386875.

Together with next prime (57868331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48052624 + 9815689 = 6932^2 + 3133^2 .

It is a cyclic number.

It is not a de Polignac number, because 57868313 - 2² = 57868309 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (57868303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28934156 + 28934157.

It is an arithmetic number, because the mean of its divisors is an integer number (28934157).

Almost surely, 2^57868313 is an apocalyptic number.

It is an amenable number.

57868313 is a deficient number, since it is larger than the sum of its proper divisors (1).

57868313 is an equidigital number, since it uses as much as digits as its factorization.

57868313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 41.

The square root of 57868313 is about 7607.1225177461. The cubic root of 57868313 is about 386.7944856691.

The spelling of 57868313 in words is "fifty-seven million, eight hundred sixty-eight thousand, three hundred thirteen".