57000913 has 2 divisors, whose sum is σ = 57000914. Its totient is φ = 57000912.

The previous prime is 57000907. The next prime is 57000919. The reversal of 57000913 is 31900075.

It is a balanced prime because it is at equal distance from previous prime (57000907) and next prime (57000919).

It can be written as a sum of positive squares in only one way, i.e., 32626944 + 24373969 = 5712^2 + 4937^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57000913 is a prime.

It is not a weakly prime, because it can be changed into another prime (57000919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28500456 + 28500457.

It is an arithmetic number, because the mean of its divisors is an integer number (28500457).

Almost surely, 2^57000913 is an apocalyptic number.

It is an amenable number.

57000913 is a deficient number, since it is larger than the sum of its proper divisors (1).

57000913 is an equidigital number, since it uses as much as digits as its factorization.

57000913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 945, while the sum is 25.

The square root of 57000913 is about 7549.8948999307. The cubic root of 57000913 is about 384.8521679012.

Adding to 57000913 its reverse (31900075), we get a palindrome (88900988).

The spelling of 57000913 in words is "fifty-seven million, nine hundred thirteen", and thus it is an aban number.