325520208 has 150 divisors (see below), whose sum is σ = 1021974954. Its totient is φ = 99439488.

The previous prime is 325520207. The next prime is 325520281. The reversal of 325520208 is 802025523.

It can be written as a sum of positive squares in only one way, i.e., 225360144 + 100160064 = 15012^2 + 10008^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325520201) 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 29 ways as a sum of consecutive naturals, for example, 2341803 + ... + 2341941.

Almost surely, 2^325520208 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 325520208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (510987477).

325520208 is an abundant number, since it is smaller than the sum of its proper divisors (696454746).

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

325520208 is a wasteful number, since it uses less digits than its factorization.

325520208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 325520208 is about 18042.1785824218. The cubic root of 325520208 is about 687.9010696943.

The spelling of 325520208 in words is "three hundred twenty-five million, five hundred twenty thousand, two hundred eight".