325331136 has 168 divisors, whose sum is σ = 1048451040. Its totient is φ = 95698944.

The previous prime is 325331107. The next prime is 325331141. The reversal of 325331136 is 631133523.

It is a happy number.

325331136 is a `hidden beast` number, since 325 + 331 + 1 + 3 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 171280 + ... + 173168.

It is an arithmetic number, because the mean of its divisors is an integer number (6240780).

Almost surely, 2^325331136 is an apocalyptic number.

325331136 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 325331136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (524225520).

325331136 is an abundant number, since it is smaller than the sum of its proper divisors (723119904).

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

325331136 is a wasteful number, since it uses less digits than its factorization.

325331136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1943 (or 1930 counting only the distinct ones).

The product of its digits is 4860, while the sum is 27.

The square root of 325331136 is about 18036.9380993560. The cubic root of 325331136 is about 687.7678593053.

Adding to 325331136 its reverse (631133523), we get a palindrome (956464659).

The spelling of 325331136 in words is "three hundred twenty-five million, three hundred thirty-one thousand, one hundred thirty-six".