57067313 has 2 divisors, whose sum is σ = 57067314. Its totient is φ = 57067312.

The previous prime is 57067303. The next prime is 57067327. The reversal of 57067313 is 31376075.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52301824 + 4765489 = 7232^2 + 2183^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57067313 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57067313.

It is not a weakly prime, because it can be changed into another prime (57067303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28533656 + 28533657.

It is an arithmetic number, because the mean of its divisors is an integer number (28533657).

Almost surely, 2^57067313 is an apocalyptic number.

It is an amenable number.

57067313 is a deficient number, since it is larger than the sum of its proper divisors (1).

57067313 is an equidigital number, since it uses as much as digits as its factorization.

57067313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13230, while the sum is 32.

The square root of 57067313 is about 7554.2910322544. The cubic root of 57067313 is about 385.0015471912.

The spelling of 57067313 in words is "fifty-seven million, sixty-seven thousand, three hundred thirteen".