504536221 has 8 divisors (see below), whose sum is σ = 576780480. Its totient is φ = 432333888.

The previous prime is 504536177. The next prime is 504536231. The reversal of 504536221 is 122635405.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 504536221 - 2⁷ = 504536093 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 504536221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504536231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22050 + ... + 38668.

It is an arithmetic number, because the mean of its divisors is an integer number (72097560).

Almost surely, 2^504536221 is an apocalyptic number.

It is an amenable number.

504536221 is a deficient number, since it is larger than the sum of its proper divisors (72244259).

504536221 is a wasteful number, since it uses less digits than its factorization.

504536221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20963.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 504536221 is about 22461.8837366771. The cubic root of 504536221 is about 796.0935709173.

The spelling of 504536221 in words is "five hundred four million, five hundred thirty-six thousand, two hundred twenty-one".