507631 has 2 divisors, whose sum is σ = 507632. Its totient is φ = 507630.

The previous prime is 507607. The next prime is 507641. The reversal of 507631 is 136705.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 507631 - 2⁵ = 507599 is a prime.

It is a super-3 number, since 3×507631³ = 392433127833361773, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (507641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253815 + 253816.

It is an arithmetic number, because the mean of its divisors is an integer number (253816).

2⁵⁰⁷⁶³¹ is an apocalyptic number.

507631 is a deficient number, since it is larger than the sum of its proper divisors (1).

507631 is an equidigital number, since it uses as much as digits as its factorization.

507631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 507631 is about 712.4822804814. The cubic root of 507631 is about 79.7717975813.

The spelling of 507631 in words is "five hundred seven thousand, six hundred thirty-one".