325540544 has 56 divisors (see below), whose sum is σ = 763767840. Its totient is φ = 134701056.

The previous prime is 325540513. The next prime is 325540549. The reversal of 325540544 is 445045523.

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

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 325540544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325540549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 464 + ... + 25520.

Almost surely, 2^325540544 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 325540544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (381883920).

325540544 is an abundant number, since it is smaller than the sum of its proper divisors (438227296).

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

325540544 is a wasteful number, since it uses less digits than its factorization.

325540544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25105 (or 25095 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 32.

The square root of 325540544 is about 18042.7421419251. The cubic root of 325540544 is about 687.9153943195.

The spelling of 325540544 in words is "three hundred twenty-five million, five hundred forty thousand, five hundred forty-four".