502432225 has 9 divisors (see below), whose sum is σ = 623154963. Its totient is φ = 401856120.

The previous prime is 502432211. The next prime is 502432237. The reversal of 502432225 is 522234205.

It is a happy number.

The square root of 502432225 is 22415.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 180875601 + 321556624 = 13449^2 + 17932^2 .

It is a de Polignac number, because none of the positive numbers 2^k-502432225 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 502432225.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 109834 + ... + 114316.

Almost surely, 2^502432225 is an apocalyptic number.

502432225 is the 22415-th square number.

502432225 is the 11208-th centered octagonal number.

It is an amenable number.

502432225 is a deficient number, since it is larger than the sum of its proper divisors (120722738).

502432225 is an frugal number, since it uses more digits than its factorization.

502432225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8976 (or 4488 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The cubic root of 502432225 is about 794.9854169760.

Multiplying 502432225 by its sum of digits (25), we get a square (12560805625 = 112075²).

502432225 divided by its sum of digits (25) gives a square (20097289 = 4483²).

It can be divided in two parts, 5024 and 32225, that added together give a square (37249 = 193²).

The spelling of 502432225 in words is "five hundred two million, four hundred thirty-two thousand, two hundred twenty-five".