507431 has 2 divisors, whose sum is σ = 507432. Its totient is φ = 507430.

The previous prime is 507421. The next prime is 507461. The reversal of 507431 is 134705.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-507431 is a prime.

It is a super-2 number, since 2×507431² = 514972439522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (507401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253715 + 253716.

It is an arithmetic number, because the mean of its divisors is an integer number (253716).

2⁵⁰⁷⁴³¹ is an apocalyptic number.

507431 is a deficient number, since it is larger than the sum of its proper divisors (1).

507431 is an equidigital number, since it uses as much as digits as its factorization.

507431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 507431 is about 712.3419122865. The cubic root of 507431 is about 79.7613198555.

The spelling of 507431 in words is "five hundred seven thousand, four hundred thirty-one".