504430313 has 4 divisors (see below), whose sum is σ = 504715008. Its totient is φ = 504145620.

The previous prime is 504430279. The next prime is 504430327. The reversal of 504430313 is 313034405.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 504430313 - 2¹⁸ = 504168169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (504430393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139673 + ... + 143238.

It is an arithmetic number, because the mean of its divisors is an integer number (126178752).

Almost surely, 2^504430313 is an apocalyptic number.

It is an amenable number.

504430313 is a deficient number, since it is larger than the sum of its proper divisors (284695).

504430313 is a wasteful number, since it uses less digits than its factorization.

504430313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284694.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 504430313 is about 22459.5261080905. The cubic root of 504430313 is about 796.0378639304.

Adding to 504430313 its reverse (313034405), we get a palindrome (817464718).

The spelling of 504430313 in words is "five hundred four million, four hundred thirty thousand, three hundred thirteen".