504631 has 2 divisors, whose sum is σ = 504632. Its totient is φ = 504630.

The previous prime is 504619. The next prime is 504661. The reversal of 504631 is 136405.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 504631 - 2⁵ = 504599 is a prime.

It is a super-2 number, since 2×504631² = 509304892322, which contains 22 as substring.

It is a Chen prime.

504631 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 504599 and 504608.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (504661) 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, 252315 + 252316.

It is an arithmetic number, because the mean of its divisors is an integer number (252316).

2⁵⁰⁴⁶³¹ is an apocalyptic number.

504631 is a deficient number, since it is larger than the sum of its proper divisors (1).

504631 is an equidigital number, since it uses as much as digits as its factorization.

504631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 504631 is about 710.3738452393. The cubic root of 504631 is about 79.6143417506.

The spelling of 504631 in words is "five hundred four thousand, six hundred thirty-one".