57317269 has 2 divisors, whose sum is σ = 57317270. Its totient is φ = 57317268.

The previous prime is 57317257. The next prime is 57317279. The reversal of 57317269 is 96271375.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52200625 + 5116644 = 7225^2 + 2262^2 .

It is a cyclic number.

It is not a de Polignac number, because 57317269 - 2⁹ = 57316757 is a prime.

It is a super-2 number, since 2×57317269² = 6570538651236722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57317279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28658634 + 28658635.

It is an arithmetic number, because the mean of its divisors is an integer number (28658635).

Almost surely, 2^57317269 is an apocalyptic number.

It is an amenable number.

57317269 is a deficient number, since it is larger than the sum of its proper divisors (1).

57317269 is an equidigital number, since it uses as much as digits as its factorization.

57317269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 79380, while the sum is 40.

The square root of 57317269 is about 7570.8169308206. The cubic root of 57317269 is about 385.5628333933.

The spelling of 57317269 in words is "fifty-seven million, three hundred seventeen thousand, two hundred sixty-nine".