507495139 has 2 divisors, whose sum is σ = 507495140. Its totient is φ = 507495138.

The previous prime is 507495137. The next prime is 507495151. The reversal of 507495139 is 931594705.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 507495139 - 2¹ = 507495137 is a prime.

It is a super-2 number, since 2×507495139² = 515102632217258642, which contains 22 as substring.

Together with 507495137, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 507495095 and 507495104.

It is not a weakly prime, because it can be changed into another prime (507495133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253747569 + 253747570.

It is an arithmetic number, because the mean of its divisors is an integer number (253747570).

Almost surely, 2^507495139 is an apocalyptic number.

507495139 is a deficient number, since it is larger than the sum of its proper divisors (1).

507495139 is an equidigital number, since it uses as much as digits as its factorization.

507495139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 170100, while the sum is 43.

The square root of 507495139 is about 22527.6527627714. The cubic root of 507495139 is about 797.6468030965.

The spelling of 507495139 in words is "five hundred seven million, four hundred ninety-five thousand, one hundred thirty-nine".