325915500 has 96 divisors (see below), whose sum is σ = 1004971968. Its totient is φ = 81792000.

The previous prime is 325915487. The next prime is 325915511. The reversal of 325915500 is 5519523.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 19110 + ... + 31890.

It is an arithmetic number, because the mean of its divisors is an integer number (10468458).

Almost surely, 2^325915500 is an apocalyptic number.

325915500 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 325915500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (502485984).

325915500 is an abundant number, since it is smaller than the sum of its proper divisors (679056468).

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

325915500 is a wasteful number, since it uses less digits than its factorization.

325915500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12820 (or 12808 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 30.

The square root of 325915500 is about 18053.1299225370. The cubic root of 325915500 is about 688.1794055075.

The spelling of 325915500 in words is "three hundred twenty-five million, nine hundred fifteen thousand, five hundred".