325841216 has 42 divisors (see below), whose sum is σ = 670487610. Its totient is φ = 156927232.

The previous prime is 325841213. The next prime is 325841249. The reversal of 325841216 is 612148523.

It can be written as a sum of positive squares in only one way, i.e., 280897600 + 44943616 = 16760^2 + 6704^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325841213) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 777455 + ... + 777873.

Almost surely, 2^325841216 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 325841216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (335243805).

325841216 is an abundant number, since it is smaller than the sum of its proper divisors (344646394).

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

325841216 is an frugal number, since it uses more digits than its factorization.

325841216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879 (or 450 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 325841216 is about 18051.0724335149. The cubic root of 325841216 is about 688.1271173087.

Adding to 325841216 its reverse (612148523), we get a palindrome (937989739).

The spelling of 325841216 in words is "three hundred twenty-five million, eight hundred forty-one thousand, two hundred sixteen".