325235540 has 72 divisors (see below), whose sum is σ = 836367840. Its totient is φ = 105634368.

The previous prime is 325235527. The next prime is 325235563. The reversal of 325235540 is 45532523.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9887 + ... + 27353.

It is an arithmetic number, because the mean of its divisors is an integer number (11616220).

Almost surely, 2^325235540 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 325235540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (418183920).

325235540 is an abundant number, since it is smaller than the sum of its proper divisors (511132300).

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

325235540 is a wasteful number, since it uses less digits than its factorization.

325235540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17509 (or 17500 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 29.

The square root of 325235540 is about 18034.2878983341. The cubic root of 325235540 is about 687.7004876441.

The spelling of 325235540 in words is "three hundred twenty-five million, two hundred thirty-five thousand, five hundred forty".