504219931 has 2 divisors, whose sum is σ = 504219932. Its totient is φ = 504219930.

The previous prime is 504219907. The next prime is 504219941. The reversal of 504219931 is 139912405.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 504219931 - 2¹³ = 504211739 is a prime.

It is a super-2 number, since 2×504219931² = 508475477635289522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (504219941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252109965 + 252109966.

It is an arithmetic number, because the mean of its divisors is an integer number (252109966).

Almost surely, 2^504219931 is an apocalyptic number.

504219931 is a deficient number, since it is larger than the sum of its proper divisors (1).

504219931 is an equidigital number, since it uses as much as digits as its factorization.

504219931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 504219931 is about 22454.8420390792. The cubic root of 504219931 is about 795.9271810991.

The spelling of 504219931 in words is "five hundred four million, two hundred nineteen thousand, nine hundred thirty-one".