57013289 has 2 divisors, whose sum is σ = 57013290. Its totient is φ = 57013288.

The previous prime is 57013283. The next prime is 57013331. The reversal of 57013289 is 98231075.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54096025 + 2917264 = 7355^2 + 1708^2 .

It is a cyclic number.

It is not a de Polignac number, because 57013289 - 2¹⁶ = 56947753 is a prime.

It is not a weakly prime, because it can be changed into another prime (57013283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28506644 + 28506645.

It is an arithmetic number, because the mean of its divisors is an integer number (28506645).

Almost surely, 2^57013289 is an apocalyptic number.

It is an amenable number.

57013289 is a deficient number, since it is larger than the sum of its proper divisors (1).

57013289 is an equidigital number, since it uses as much as digits as its factorization.

57013289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 57013289 is about 7550.7144695055. The cubic root of 57013289 is about 384.8800188339.

The spelling of 57013289 in words is "fifty-seven million, thirteen thousand, two hundred eighty-nine".