328725825 has 12 divisors (see below), whose sum is σ = 543493488. Its totient is φ = 175320400.

The previous prime is 328725791. The next prime is 328725847. The reversal of 328725825 is 528527823.

It is not a de Polignac number, because 328725825 - 2⁷ = 328725697 is a prime.

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, 2191431 + ... + 2191580.

It is an arithmetic number, because the mean of its divisors is an integer number (45291124).

Almost surely, 2^328725825 is an apocalyptic number.

It is an amenable number.

328725825 is a deficient number, since it is larger than the sum of its proper divisors (214767663).

328725825 is a wasteful number, since it uses less digits than its factorization.

328725825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4383024 (or 4383019 counting only the distinct ones).

The product of its digits is 268800, while the sum is 42.

The square root of 328725825 is about 18130.7976934276. The cubic root of 328725825 is about 690.1517729567.

The spelling of 328725825 in words is "three hundred twenty-eight million, seven hundred twenty-five thousand, eight hundred twenty-five".