251060057 has 2 divisors, whose sum is σ = 251060058. Its totient is φ = 251060056.

The previous prime is 251060023. The next prime is 251060071. The reversal of 251060057 is 750060152.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 187443481 + 63616576 = 13691^2 + 7976^2 .

It is a cyclic number.

It is not a de Polignac number, because 251060057 - 2¹⁸ = 250797913 is a prime.

It is not a weakly prime, because it can be changed into another prime (251060087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125530028 + 125530029.

It is an arithmetic number, because the mean of its divisors is an integer number (125530029).

Almost surely, 2^251060057 is an apocalyptic number.

It is an amenable number.

251060057 is a deficient number, since it is larger than the sum of its proper divisors (1).

251060057 is an equidigital number, since it uses as much as digits as its factorization.

251060057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 251060057 is about 15844.8747865043. The cubic root of 251060057 is about 630.8496615008.

The spelling of 251060057 in words is "two hundred fifty-one million, sixty thousand, fifty-seven".