57897131 has 2 divisors, whose sum is σ = 57897132. Its totient is φ = 57897130.

The previous prime is 57897109. The next prime is 57897149. The reversal of 57897131 is 13179875.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57897131 - 2²² = 53702827 is a prime.

It is a super-2 number, since 2×57897131² = 6704155556062322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (57896131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28948565 + 28948566.

It is an arithmetic number, because the mean of its divisors is an integer number (28948566).

Almost surely, 2^57897131 is an apocalyptic number.

57897131 is a deficient number, since it is larger than the sum of its proper divisors (1).

57897131 is an equidigital number, since it uses as much as digits as its factorization.

57897131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52920, while the sum is 41.

The square root of 57897131 is about 7609.0164278966. The cubic root of 57897131 is about 386.8586819630.

The spelling of 57897131 in words is "fifty-seven million, eight hundred ninety-seven thousand, one hundred thirty-one".