325564288 has 64 divisors (see below), whose sum is σ = 743702400. Its totient is φ = 139064832.

The previous prime is 325564277. The next prime is 325564289. The reversal of 325564288 is 882465523.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325564289) 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, 525643 + ... + 526261.

It is an arithmetic number, because the mean of its divisors is an integer number (11620350).

Almost surely, 2^325564288 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 325564288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (371851200).

325564288 is an abundant number, since it is smaller than the sum of its proper divisors (418138112).

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

325564288 is an equidigital number, since it uses as much as digits as its factorization.

325564288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1227 (or 1215 counting only the distinct ones).

The product of its digits is 460800, while the sum is 43.

The square root of 325564288 is about 18043.4001230367. The cubic root of 325564288 is about 687.9321187760.

The spelling of 325564288 in words is "three hundred twenty-five million, five hundred sixty-four thousand, two hundred eighty-eight".