504044687 has 2 divisors, whose sum is σ = 504044688. Its totient is φ = 504044686.

The previous prime is 504044683. The next prime is 504044707. The reversal of 504044687 is 786440405.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 504044687 - 2² = 504044683 is a prime.

It is a super-2 number, since 2×504044687² = 508122092985855938, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 504044687.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (504044683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252022343 + 252022344.

It is an arithmetic number, because the mean of its divisors is an integer number (252022344).

Almost surely, 2^504044687 is an apocalyptic number.

504044687 is a deficient number, since it is larger than the sum of its proper divisors (1).

504044687 is an equidigital number, since it uses as much as digits as its factorization.

504044687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 107520, while the sum is 38.

The square root of 504044687 is about 22450.9395571767. The cubic root of 504044687 is about 795.8349610071.

The spelling of 504044687 in words is "five hundred four million, forty-four thousand, six hundred eighty-seven".