500521420 has 24 divisors (see below), whose sum is σ = 1201251744. Its totient is φ = 171607296.

The previous prime is 500521363. The next prime is 500521447. The reversal of 500521420 is 24125005.

It is an unprimeable number.

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, 1787437 + ... + 1787716.

It is an arithmetic number, because the mean of its divisors is an integer number (50052156).

Almost surely, 2^500521420 is an apocalyptic number.

It is an amenable number.

500521420 is an abundant number, since it is smaller than the sum of its proper divisors (700730324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

500521420 is a wasteful number, since it uses less digits than its factorization.

500521420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3575169 (or 3575167 counting only the distinct ones).

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

The square root of 500521420 is about 22372.3360425325. The cubic root of 500521420 is about 793.9763310183.

Adding to 500521420 its reverse (24125005), we get a palindrome (524646425).

The spelling of 500521420 in words is "five hundred million, five hundred twenty-one thousand, four hundred twenty".