504304663 has 4 divisors (see below), whose sum is σ = 504877968. Its totient is φ = 503731360.

The previous prime is 504304613. The next prime is 504304667. The reversal of 504304663 is 366403405.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 504304663 - 2¹⁷ = 504173591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504304667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285331 + ... + 287092.

It is an arithmetic number, because the mean of its divisors is an integer number (126219492).

Almost surely, 2^504304663 is an apocalyptic number.

504304663 is a deficient number, since it is larger than the sum of its proper divisors (573305).

504304663 is an equidigital number, since it uses as much as digits as its factorization.

504304663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573304.

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 504304663 is about 22456.7286798411. The cubic root of 504304663 is about 795.9717626533.

The spelling of 504304663 in words is "five hundred four million, three hundred four thousand, six hundred sixty-three".