502921013 has 48 divisors (see below), whose sum is σ = 671535360. Its totient is φ = 366930432.

The previous prime is 502920949. The next prime is 502921033. The reversal of 502921013 is 310129205.

It is not a de Polignac number, because 502921013 - 2⁶ = 502920949 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 502921013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (502921033) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 987803 + ... + 988311.

It is an arithmetic number, because the mean of its divisors is an integer number (13990320).

Almost surely, 2^502921013 is an apocalyptic number.

It is an amenable number.

502921013 is a deficient number, since it is larger than the sum of its proper divisors (168614347).

502921013 is a wasteful number, since it uses less digits than its factorization.

502921013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594 (or 575 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 502921013 is about 22425.9004947405. The cubic root of 502921013 is about 795.2431322603.

The spelling of 502921013 in words is "five hundred two million, nine hundred twenty-one thousand, thirteen".