508013257 has 2 divisors, whose sum is σ = 508013258. Its totient is φ = 508013256.

The previous prime is 508013237. The next prime is 508013267. The reversal of 508013257 is 752310805.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 329095881 + 178917376 = 18141^2 + 13376^2 .

It is a cyclic number.

It is not a de Polignac number, because 508013257 - 2¹¹ = 508011209 is a prime.

It is not a weakly prime, because it can be changed into another prime (508013237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 254006628 + 254006629.

It is an arithmetic number, because the mean of its divisors is an integer number (254006629).

Almost surely, 2^508013257 is an apocalyptic number.

It is an amenable number.

508013257 is a deficient number, since it is larger than the sum of its proper divisors (1).

508013257 is an equidigital number, since it uses as much as digits as its factorization.

508013257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 508013257 is about 22539.1494293818. The cubic root of 508013257 is about 797.9181584734.

The spelling of 508013257 in words is "five hundred eight million, thirteen thousand, two hundred fifty-seven".