325985520 has 160 divisors (see below), whose sum is σ = 1194923520. Its totient is φ = 71930880.

The previous prime is 325985519. The next prime is 325985533. The reversal of 325985520 is 25589523.

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, 45375 + ... + 52065.

It is an arithmetic number, because the mean of its divisors is an integer number (7468272).

Almost surely, 2^325985520 is an apocalyptic number.

325985520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 325985520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (597461760).

325985520 is an abundant number, since it is smaller than the sum of its proper divisors (868938000).

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

325985520 is a wasteful number, since it uses less digits than its factorization.

325985520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6743 (or 6737 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 39.

The square root of 325985520 is about 18055.0690943015. The cubic root of 325985520 is about 688.2286850207.

The spelling of 325985520 in words is "three hundred twenty-five million, nine hundred eighty-five thousand, five hundred twenty".