325216782 has 120 divisors (see below), whose sum is σ = 820356768. Its totient is φ = 96180480.

The previous prime is 325216781. The next prime is 325216789. The reversal of 325216782 is 287612523.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325216781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 921118 + ... + 921470.

Almost surely, 2^325216782 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 325216782, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (410178384).

325216782 is an abundant number, since it is smaller than the sum of its proper divisors (495139986).

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

325216782 is a wasteful number, since it uses less digits than its factorization.

325216782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436 (or 416 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 325216782 is about 18033.7678259425. The cubic root of 325216782 is about 687.6872663197.

The spelling of 325216782 in words is "three hundred twenty-five million, two hundred sixteen thousand, seven hundred eighty-two".