57413287 has 2 divisors, whose sum is σ = 57413288. Its totient is φ = 57413286.

The previous prime is 57413281. The next prime is 57413309. The reversal of 57413287 is 78231475.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57413287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57413281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28706643 + 28706644.

It is an arithmetic number, because the mean of its divisors is an integer number (28706644).

Almost surely, 2^57413287 is an apocalyptic number.

57413287 is a deficient number, since it is larger than the sum of its proper divisors (1).

57413287 is an equidigital number, since it uses as much as digits as its factorization.

57413287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47040, while the sum is 37.

The square root of 57413287 is about 7577.1556008835. The cubic root of 57413287 is about 385.7780118172.

It can be divided in two parts, 574 and 13287, that added together give a triangular number (13861 = T₁₆₆).

The spelling of 57413287 in words is "fifty-seven million, four hundred thirteen thousand, two hundred eighty-seven".