3261225432 has 64 divisors (see below), whose sum is σ = 8336966400. Its totient is φ = 1062771840.

The previous prime is 3261225397. The next prime is 3261225439. The reversal of 3261225432 is 2345221623.

It is a self number, because there is not a number n which added to its sum of digits gives 3261225432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3261225439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 237819 + ... + 251157.

It is an arithmetic number, because the mean of its divisors is an integer number (130265100).

Almost surely, 2^3261225432 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 3261225432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4168483200).

3261225432 is an abundant number, since it is smaller than the sum of its proper divisors (5075740968).

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

3261225432 is a wasteful number, since it uses less digits than its factorization.

3261225432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13576 (or 13572 counting only the distinct ones).

The product of its digits is 17280, while the sum is 30.

The square root of 3261225432 is about 57107.1399388903. The cubic root of 3261225432 is about 1482.9514743968.

The spelling of 3261225432 in words is "three billion, two hundred sixty-one million, two hundred twenty-five thousand, four hundred thirty-two".