325506644 has 12 divisors (see below), whose sum is σ = 569784768. Its totient is φ = 162711000.

The previous prime is 325506641. The next prime is 325506673. The reversal of 325506644 is 446605523.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325506641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12149 + ... + 28259.

It is an arithmetic number, because the mean of its divisors is an integer number (47482064).

Almost surely, 2^325506644 is an apocalyptic number.

It is an amenable number.

325506644 is a deficient number, since it is larger than the sum of its proper divisors (244278124).

325506644 is a wasteful number, since it uses less digits than its factorization.

325506644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21166 (or 21164 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

The square root of 325506644 is about 18041.8026815504. The cubic root of 325506644 is about 687.8915149166.

The spelling of 325506644 in words is "three hundred twenty-five million, five hundred six thousand, six hundred forty-four".