325326820 has 96 divisors (see below), whose sum is σ = 860606208. Its totient is φ = 100541952.

The previous prime is 325326817. The next prime is 325326821. The reversal of 325326820 is 28623523.

It is a super-2 number, since 2×325326820² = 211675079622624800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (325326821) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76182 + ... + 80338.

It is an arithmetic number, because the mean of its divisors is an integer number (8964648).

Almost surely, 2^325326820 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 325326820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (430303104).

325326820 is an abundant number, since it is smaller than the sum of its proper divisors (535279388).

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

325326820 is a wasteful number, since it uses less digits than its factorization.

325326820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4229 (or 4227 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 325326820 is about 18036.8184555924. The cubic root of 325326820 is about 687.7648178716.

The spelling of 325326820 in words is "three hundred twenty-five million, three hundred twenty-six thousand, eight hundred twenty".