504037431 has 8 divisors (see below), whose sum is σ = 746722160. Its totient is φ = 336024936.

The previous prime is 504037427. The next prime is 504037439. The reversal of 504037431 is 134730405.

It is not a de Polignac number, because 504037431 - 2² = 504037427 is a prime.

It is a super-2 number, since 2×504037431² = 508107463698159522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 18668053 = 504037431 / (5 + 0 + 4 + 0 + 3 + 7 + 4 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 504037395 and 504037404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504037439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9334000 + ... + 9334053.

It is an arithmetic number, because the mean of its divisors is an integer number (93340270).

Almost surely, 2^504037431 is an apocalyptic number.

504037431 is a deficient number, since it is larger than the sum of its proper divisors (242684729).

504037431 is a wasteful number, since it uses less digits than its factorization.

504037431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18668062 (or 18668056 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 504037431 is about 22450.7779597946. Note that the first 3 decimals coincide. The cubic root of 504037431 is about 795.8311421617.

Adding to 504037431 its reverse (134730405), we get a palindrome (638767836).

It can be divided in two parts, 5040374 and 31, that added together give a palindrome (5040405).

The spelling of 504037431 in words is "five hundred four million, thirty-seven thousand, four hundred thirty-one".