325593216 has 128 divisors (see below), whose sum is σ = 1035014400. Its totient is φ = 100168704.

The previous prime is 325593209. The next prime is 325593227. The reversal of 325593216 is 612395523.

325593216 is a `hidden beast` number, since 325 + 5 + 9 + 321 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41305 + ... + 48551.

It is an arithmetic number, because the mean of its divisors is an integer number (8086050).

Almost surely, 2^325593216 is an apocalyptic number.

325593216 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 325593216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (517507200).

325593216 is an abundant number, since it is smaller than the sum of its proper divisors (709421184).

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

325593216 is a wasteful number, since it uses less digits than its factorization.

325593216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7283 (or 7265 counting only the distinct ones).

The product of its digits is 48600, while the sum is 36.

The square root of 325593216 is about 18044.2017279790. The cubic root of 325593216 is about 687.9524935649.

The spelling of 325593216 in words is "three hundred twenty-five million, five hundred ninety-three thousand, two hundred sixteen".