502640325 has 144 divisors (see below), whose sum is σ = 1044576000. Its totient is φ = 228748800.

The previous prime is 502640297. The next prime is 502640363. The reversal of 502640325 is 523046205.

It is not a de Polignac number, because 502640325 - 2⁶ = 502640261 is a prime.

It is a super-2 number, since 2×502640325² = 505294592632211250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 3373351 + ... + 3373499.

It is an arithmetic number, because the mean of its divisors is an integer number (7254000).

Almost surely, 2^502640325 is an apocalyptic number.

502640325 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

502640325 is an abundant number, since it is smaller than the sum of its proper divisors (541935675).

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

502640325 is a wasteful number, since it uses less digits than its factorization.

502640325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252 (or 244 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 502640325 is about 22419.6415002560. The cubic root of 502640325 is about 795.0951588953.

The spelling of 502640325 in words is "five hundred two million, six hundred forty thousand, three hundred twenty-five".