325138590 has 64 divisors (see below), whose sum is σ = 990904320. Its totient is φ = 74316960.

The previous prime is 325138589. The next prime is 325138613. The reversal of 325138590 is 95831523.

325138590 is a `hidden beast` number, since 32 + 5 + 1 + 38 + 590 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84126 + ... + 87905.

It is an arithmetic number, because the mean of its divisors is an integer number (15482880).

Almost surely, 2^325138590 is an apocalyptic number.

325138590 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

325138590 is an abundant number, since it is smaller than the sum of its proper divisors (665765730).

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

325138590 is a wasteful number, since it uses less digits than its factorization.

325138590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172054 (or 172048 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 325138590 is about 18031.5997626389. The cubic root of 325138590 is about 687.6321482613.

The spelling of 325138590 in words is "three hundred twenty-five million, one hundred thirty-eight thousand, five hundred ninety".