325540432 has 40 divisors (see below), whose sum is σ = 721779200. Its totient is φ = 139335552.

The previous prime is 325540427. The next prime is 325540441. The reversal of 325540432 is 234045523.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 325540432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118369 + ... + 121087.

It is an arithmetic number, because the mean of its divisors is an integer number (18044480).

Almost surely, 2^325540432 is an apocalyptic number.

It is an amenable number.

325540432 is an abundant number, since it is smaller than the sum of its proper divisors (396238768).

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

325540432 is a wasteful number, since it uses less digits than its factorization.

325540432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3803 (or 3797 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 325540432 is about 18042.7390381838. The cubic root of 325540432 is about 687.9153154286.

Adding to 325540432 its reverse (234045523), we get a palindrome (559585955).

The spelling of 325540432 in words is "three hundred twenty-five million, five hundred forty thousand, four hundred thirty-two".