325321500 has 96 divisors (see below), whose sum is σ = 1082704896. Its totient is φ = 74356800.

The previous prime is 325321489. The next prime is 325321523. The reversal of 325321500 is 5123523.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4992 + ... + 25991.

It is an arithmetic number, because the mean of its divisors is an integer number (11278176).

Almost surely, 2^325321500 is an apocalyptic number.

325321500 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 325321500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (541352448).

325321500 is an abundant number, since it is smaller than the sum of its proper divisors (757383396).

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

325321500 is a wasteful number, since it uses less digits than its factorization.

325321500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31012 (or 31000 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 325321500 is about 18036.6709788697. The cubic root of 325321500 is about 687.7610688941.

It can be divided in two parts, 3253 and 21500, that added together give a triangular number (24753 = T₂₂₂).

The spelling of 325321500 in words is "three hundred twenty-five million, three hundred twenty-one thousand, five hundred".