325638544 has 80 divisors (see below), whose sum is σ = 794699136. Its totient is φ = 125568000.

The previous prime is 325638503. The next prime is 325638569. The reversal of 325638544 is 445836523.

325638544 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×325638544² = 212080922676879872, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 325638497 and 325638506.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 123124 + ... + 125740.

Almost surely, 2^325638544 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 325638544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (397349568).

325638544 is an abundant number, since it is smaller than the sum of its proper divisors (469060592).

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

325638544 is a wasteful number, since it uses less digits than its factorization.

325638544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2744 (or 2738 counting only the distinct ones).

The product of its digits is 345600, while the sum is 40.

The square root of 325638544 is about 18045.4577110141. The cubic root of 325638544 is about 687.9844168996.

The spelling of 325638544 in words is "three hundred twenty-five million, six hundred thirty-eight thousand, five hundred forty-four".