325239760 has 40 divisors (see below), whose sum is σ = 757279656. Its totient is φ = 129907200.

The previous prime is 325239749. The next prime is 325239763. The reversal of 325239760 is 67932523.

325239760 is a nontrivial binomial coefficient, being equal to C(25505, 2).

It can be written as a sum of positive squares in 4 ways, for example, as 1527696 + 323712064 = 1236^2 + 17992^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325239763) 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 7 ways as a sum of consecutive naturals, for example, 61210 + ... + 66310.

Almost surely, 2^325239760 is an apocalyptic number.

325239760 is the 25504-th triangular number.

325239760 is the 8502-nd centered nonagonal number.

It is an amenable number.

325239760 is an abundant number, since it is smaller than the sum of its proper divisors (432039896).

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

325239760 is a wasteful number, since it uses less digits than its factorization.

325239760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5911 (or 5905 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 37.

The square root of 325239760 is about 18034.4048973067. The cubic root of 325239760 is about 687.7034619844.

The spelling of 325239760 in words is "three hundred twenty-five million, two hundred thirty-nine thousand, seven hundred sixty".