504979 has 4 divisors (see below), whose sum is σ = 512584. Its totient is φ = 497376.

The previous prime is 504967. The next prime is 504983. The reversal of 504979 is 979405.

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 504979 - 2⁵ = 504947 is a prime.

It is a Duffinian number.

504979 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (504929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3702 + ... + 3835.

It is an arithmetic number, because the mean of its divisors is an integer number (128146).

2⁵⁰⁴⁹⁷⁹ is an apocalyptic number.

504979 is a deficient number, since it is larger than the sum of its proper divisors (7605).

504979 is an equidigital number, since it uses as much as digits as its factorization.

504979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7604.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 504979 is about 710.6187444755. The cubic root of 504979 is about 79.6326385685.

The spelling of 504979 in words is "five hundred four thousand, nine hundred seventy-nine".