57000641 has 2 divisors, whose sum is σ = 57000642. Its totient is φ = 57000640.

The previous prime is 57000637. The next prime is 57000679. The reversal of 57000641 is 14600075.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56550400 + 450241 = 7520^2 + 671^2 .

It is a cyclic number.

It is not a de Polignac number, because 57000641 - 2² = 57000637 is a prime.

It is not a weakly prime, because it can be changed into another prime (57000841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28500320 + 28500321.

It is an arithmetic number, because the mean of its divisors is an integer number (28500321).

Almost surely, 2^57000641 is an apocalyptic number.

It is an amenable number.

57000641 is a deficient number, since it is larger than the sum of its proper divisors (1).

57000641 is an equidigital number, since it uses as much as digits as its factorization.

57000641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 57000641 is about 7549.8768864134. The cubic root of 57000641 is about 384.8515557476.

The spelling of 57000641 in words is "fifty-seven million, six hundred forty-one", and thus it is an aban number.