57970291 has 2 divisors, whose sum is σ = 57970292. Its totient is φ = 57970290.

The previous prime is 57970277. The next prime is 57970301. The reversal of 57970291 is 19207975.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57970291 - 2⁷ = 57970163 is a prime.

It is not a weakly prime, because it can be changed into another prime (57970091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28985145 + 28985146.

It is an arithmetic number, because the mean of its divisors is an integer number (28985146).

Almost surely, 2^57970291 is an apocalyptic number.

57970291 is a deficient number, since it is larger than the sum of its proper divisors (1).

57970291 is an equidigital number, since it uses as much as digits as its factorization.

57970291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39690, while the sum is 40.

The square root of 57970291 is about 7613.8223646208. The cubic root of 57970291 is about 387.0215608933.

The spelling of 57970291 in words is "fifty-seven million, nine hundred seventy thousand, two hundred ninety-one".