504523031 has 2 divisors, whose sum is σ = 504523032. Its totient is φ = 504523030.

The previous prime is 504523027. The next prime is 504523043. The reversal of 504523031 is 130325405.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 504523031 - 2² = 504523027 is a prime.

It is a super-2 number, since 2×504523031² = 509086977618853922, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 504522988 and 504523006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (504523001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252261515 + 252261516.

It is an arithmetic number, because the mean of its divisors is an integer number (252261516).

Almost surely, 2^504523031 is an apocalyptic number.

504523031 is a deficient number, since it is larger than the sum of its proper divisors (1).

504523031 is an equidigital number, since it uses as much as digits as its factorization.

504523031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 504523031 is about 22461.5901262578. The cubic root of 504523031 is about 796.0866334797.

Adding to 504523031 its reverse (130325405), we get a palindrome (634848436).

The spelling of 504523031 in words is "five hundred four million, five hundred twenty-three thousand, thirty-one".