504564479 has 2 divisors, whose sum is σ = 504564480. Its totient is φ = 504564478.

The previous prime is 504564457. The next prime is 504564481. The reversal of 504564479 is 974465405.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-504564479 is a prime.

Together with 504564481, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (504564419) 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 as a sum of consecutive naturals, namely, 252282239 + 252282240.

It is an arithmetic number, because the mean of its divisors is an integer number (252282240).

Almost surely, 2^504564479 is an apocalyptic number.

504564479 is a deficient number, since it is larger than the sum of its proper divisors (1).

504564479 is an equidigital number, since it uses as much as digits as its factorization.

504564479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 604800, while the sum is 44.

The square root of 504564479 is about 22462.5127490225. The cubic root of 504564479 is about 796.1084331421.

The spelling of 504564479 in words is "five hundred four million, five hundred sixty-four thousand, four hundred seventy-nine".