500765421 has 24 divisors (see below), whose sum is σ = 725681376. Its totient is φ = 307020480.

The previous prime is 500765411. The next prime is 500765423. The reversal of 500765421 is 124567005.

It is not a de Polignac number, because 500765421 - 2⁵ = 500765389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500765423) 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 23 ways as a sum of consecutive naturals, for example, 146866 + ... + 150236.

It is an arithmetic number, because the mean of its divisors is an integer number (30236724).

Almost surely, 2^500765421 is an apocalyptic number.

It is an amenable number.

500765421 is a deficient number, since it is larger than the sum of its proper divisors (224915955).

500765421 is a wasteful number, since it uses less digits than its factorization.

500765421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3693 (or 3680 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 500765421 is about 22377.7885636629. The cubic root of 500765421 is about 794.1053295244.

The spelling of 500765421 in words is "five hundred million, seven hundred sixty-five thousand, four hundred twenty-one".