325247840 has 24 divisors (see below), whose sum is σ = 768398400. Its totient is φ = 130099072.

The previous prime is 325247831. The next prime is 325247861. The reversal of 325247840 is 48742523.

It is a self number, because there is not a number n which added to its sum of digits gives 325247840.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1016240 + ... + 1016559.

It is an arithmetic number, because the mean of its divisors is an integer number (32016600).

Almost surely, 2^325247840 is an apocalyptic number.

It is an amenable number.

325247840 is an abundant number, since it is smaller than the sum of its proper divisors (443150560).

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

325247840 is a wasteful number, since it uses less digits than its factorization.

325247840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2032814 (or 2032806 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 35.

The square root of 325247840 is about 18034.6289121789. The cubic root of 325247840 is about 687.7091568580.

The spelling of 325247840 in words is "three hundred twenty-five million, two hundred forty-seven thousand, eight hundred forty".