502213172 has 12 divisors (see below), whose sum is σ = 879779460. Its totient is φ = 250847616.

The previous prime is 502213157. The next prime is 502213177. The reversal of 502213172 is 271312205.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 432390436 + 69822736 = 20794^2 + 8356^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (502213177) 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 3 ways as a sum of consecutive naturals, for example, 60347 + ... + 68162.

It is an arithmetic number, because the mean of its divisors is an integer number (73314955).

Almost surely, 2^502213172 is an apocalyptic number.

It is an amenable number.

502213172 is a deficient number, since it is larger than the sum of its proper divisors (377566288).

502213172 is a wasteful number, since it uses less digits than its factorization.

502213172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129490 (or 129488 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 502213172 is about 22410.1131634805. The cubic root of 502213172 is about 794.8698662303.

Adding to 502213172 its reverse (271312205), we get a palindrome (773525377).

The spelling of 502213172 in words is "five hundred two million, two hundred thirteen thousand, one hundred seventy-two".