57497513 has 2 divisors, whose sum is σ = 57497514. Its totient is φ = 57497512.

The previous prime is 57497491. The next prime is 57497521. The reversal of 57497513 is 31579475.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49674304 + 7823209 = 7048^2 + 2797^2 .

It is a cyclic number.

It is not a de Polignac number, because 57497513 - 2¹² = 57493417 is a prime.

It is not a weakly prime, because it can be changed into another prime (57407513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28748756 + 28748757.

It is an arithmetic number, because the mean of its divisors is an integer number (28748757).

Almost surely, 2^57497513 is an apocalyptic number.

It is an amenable number.

57497513 is a deficient number, since it is larger than the sum of its proper divisors (1).

57497513 is an equidigital number, since it uses as much as digits as its factorization.

57497513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 132300, while the sum is 41.

The square root of 57497513 is about 7582.7114543546. The cubic root of 57497513 is about 385.9665666766.

The spelling of 57497513 in words is "fifty-seven million, four hundred ninety-seven thousand, five hundred thirteen".