325515432 has 64 divisors (see below), whose sum is σ = 896463360. Its totient is φ = 97675200.

The previous prime is 325515419. The next prime is 325515433. The reversal of 325515432 is 234515523.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 325515432.

It is not an unprimeable number, because it can be changed into a prime (325515433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21207 + ... + 33177.

It is an arithmetic number, because the mean of its divisors is an integer number (14007240).

Almost surely, 2^325515432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 325515432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (448231680).

325515432 is an abundant number, since it is smaller than the sum of its proper divisors (570947928).

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

325515432 is a wasteful number, since it uses less digits than its factorization.

325515432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12094 (or 12090 counting only the distinct ones).

The product of its digits is 18000, while the sum is 30.

The square root of 325515432 is about 18042.0462254147. The cubic root of 325515432 is about 687.8977054059.

Subtracting from 325515432 its reverse (234515523), we obtain a palindrome (90999909).

The spelling of 325515432 in words is "three hundred twenty-five million, five hundred fifteen thousand, four hundred thirty-two".