57259613 has 2 divisors, whose sum is σ = 57259614. Its totient is φ = 57259612.

The previous prime is 57259577. The next prime is 57259639. The reversal of 57259613 is 31695275.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29833444 + 27426169 = 5462^2 + 5237^2 .

It is a cyclic number.

It is not a de Polignac number, because 57259613 - 2²⁰ = 56211037 is a prime.

It is equal to p_3408986 and since 57259613 and 3408986 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57249613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28629806 + 28629807.

It is an arithmetic number, because the mean of its divisors is an integer number (28629807).

Almost surely, 2^57259613 is an apocalyptic number.

It is an amenable number.

57259613 is a deficient number, since it is larger than the sum of its proper divisors (1).

57259613 is an equidigital number, since it uses as much as digits as its factorization.

57259613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56700, while the sum is 38.

The square root of 57259613 is about 7567.0081934672. The cubic root of 57259613 is about 385.4335095492.

The spelling of 57259613 in words is "fifty-seven million, two hundred fifty-nine thousand, six hundred thirteen".