504565401 has 4 divisors (see below), whose sum is σ = 672753872. Its totient is φ = 336376932.

The previous prime is 504565363. The next prime is 504565417. The reversal of 504565401 is 104565405.

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 not a de Polignac number, because 504565401 - 2⁹ = 504564889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (504565441) 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, 84094231 + ... + 84094236.

It is an arithmetic number, because the mean of its divisors is an integer number (168188468).

Almost surely, 2^504565401 is an apocalyptic number.

It is an amenable number.

504565401 is a deficient number, since it is larger than the sum of its proper divisors (168188471).

504565401 is a wasteful number, since it uses less digits than its factorization.

504565401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168188470.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 504565401 is about 22462.5332720956. The cubic root of 504565401 is about 796.1089180563.

The spelling of 504565401 in words is "five hundred four million, five hundred sixty-five thousand, four hundred one".