325518912 has 98 divisors (see below), whose sum is σ = 968623158. Its totient is φ = 108490752.

The previous prime is 325518877. The next prime is 325518913. The reversal of 325518912 is 219815523.

It can be written as a sum of positive squares in only one way, i.e., 235192896 + 90326016 = 15336^2 + 9504^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (325518913) by changing a digit.

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 13 ways as a sum of consecutive naturals, for example, 43168 + ... + 50144.

Almost surely, 2^325518912 is an apocalyptic number.

325518912 is a gapful number since it is divisible by the number (32) 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 325518912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (484311579).

325518912 is an abundant number, since it is smaller than the sum of its proper divisors (643104246).

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

325518912 is an frugal number, since it uses more digits than its factorization.

325518912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7007 (or 6982 counting only the distinct ones).

The product of its digits is 21600, while the sum is 36.

The square root of 325518912 is about 18042.1426665460. The cubic root of 325518912 is about 687.9001567751.

The spelling of 325518912 in words is "three hundred twenty-five million, five hundred eighteen thousand, nine hundred twelve".