325731632 has 40 divisors (see below), whose sum is σ = 656719872. Its totient is φ = 156340800.

The previous prime is 325731569. The next prime is 325731641. The reversal of 325731632 is 236137523.

It is a super-2 number, since 2×325731632² = 212202192170766848, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60407 + ... + 65577.

Almost surely, 2^325731632 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 325731632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (328359936).

325731632 is an abundant number, since it is smaller than the sum of its proper divisors (330988240).

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

325731632 is a wasteful number, since it uses less digits than its factorization.

325731632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5337 (or 5331 counting only the distinct ones).

The product of its digits is 22680, while the sum is 32.

The square root of 325731632 is about 18048.0367907426. The cubic root of 325731632 is about 688.0499670759.

The spelling of 325731632 in words is "three hundred twenty-five million, seven hundred thirty-one thousand, six hundred thirty-two".