500504221 has 8 divisors (see below), whose sum is σ = 574380224. Its totient is φ = 427222080.

The previous prime is 500504203. The next prime is 500504237. The reversal of 500504221 is 122405005.

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

It is a cyclic number.

It is not a de Polignac number, because 500504221 - 2⁷ = 500504093 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 (500504321) 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 in 7 ways as a sum of consecutive naturals, for example, 146655 + ... + 150028.

It is an arithmetic number, because the mean of its divisors is an integer number (71797528).

Almost surely, 2^500504221 is an apocalyptic number.

It is an amenable number.

500504221 is a deficient number, since it is larger than the sum of its proper divisors (73876003).

500504221 is a wasteful number, since it uses less digits than its factorization.

500504221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296931.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 500504221 is about 22371.9516582707. The cubic root of 500504221 is about 793.9672366654.

Adding to 500504221 its reverse (122405005), we get a palindrome (622909226).

The spelling of 500504221 in words is "five hundred million, five hundred four thousand, two hundred twenty-one".