57590257 has 2 divisors, whose sum is σ = 57590258. Its totient is φ = 57590256.

The previous prime is 57590251. The next prime is 57590261. The reversal of 57590257 is 75209575.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57395776 + 194481 = 7576^2 + 441^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57590257 is a prime.

It is not a weakly prime, because it can be changed into another prime (57590251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28795128 + 28795129.

It is an arithmetic number, because the mean of its divisors is an integer number (28795129).

Almost surely, 2^57590257 is an apocalyptic number.

It is an amenable number.

57590257 is a deficient number, since it is larger than the sum of its proper divisors (1).

57590257 is an equidigital number, since it uses as much as digits as its factorization.

57590257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 110250, while the sum is 40.

The square root of 57590257 is about 7588.8244807743. The cubic root of 57590257 is about 386.1739776999.

The spelling of 57590257 in words is "fifty-seven million, five hundred ninety thousand, two hundred fifty-seven".