325891552 has 72 divisors (see below), whose sum is σ = 749886984. Its totient is φ = 139007232.

The previous prime is 325891537. The next prime is 325891603. The reversal of 325891552 is 255198523.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 481038 + ... + 481714.

It is an arithmetic number, because the mean of its divisors is an integer number (10415097).

Almost surely, 2^325891552 is an apocalyptic number.

325891552 is a gapful number since it is divisible by the number (32) 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 325891552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (374943492).

325891552 is an abundant number, since it is smaller than the sum of its proper divisors (423995432).

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

325891552 is a wasteful number, since it uses less digits than its factorization.

325891552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008 (or 993 counting only the distinct ones).

The product of its digits is 108000, while the sum is 40.

The square root of 325891552 is about 18052.4666458631. The cubic root of 325891552 is about 688.1625494778.

The spelling of 325891552 in words is "three hundred twenty-five million, eight hundred ninety-one thousand, five hundred fifty-two".