325255616 has 56 divisors (see below), whose sum is σ = 740578656. Its totient is φ = 138839040.

The previous prime is 325255603. The next prime is 325255639. The reversal of 325255616 is 616552523.

It is a tau number, because it is divible by the number of its divisors (56).

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, 122786 + ... + 125406.

Almost surely, 2^325255616 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 325255616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (370289328).

325255616 is an abundant number, since it is smaller than the sum of its proper divisors (415323040).

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

325255616 is a wasteful number, since it uses less digits than its factorization.

325255616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2917 (or 2907 counting only the distinct ones).

The product of its digits is 54000, while the sum is 35.

The square root of 325255616 is about 18034.8444961414. The cubic root of 325255616 is about 687.7146373800.

The spelling of 325255616 in words is "three hundred twenty-five million, two hundred fifty-five thousand, six hundred sixteen".