328916025 has 24 divisors (see below), whose sum is σ = 604232160. Its totient is φ = 175421520.

The previous prime is 328916009. The next prime is 328916033. The reversal of 328916025 is 520619823.

It is not a de Polignac number, because 328916025 - 2⁴ = 328916009 is a prime.

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, 242967 + ... + 244316.

It is an arithmetic number, because the mean of its divisors is an integer number (25176340).

Almost surely, 2^328916025 is an apocalyptic number.

It is an amenable number.

328916025 is a deficient number, since it is larger than the sum of its proper divisors (275316135).

328916025 is a wasteful number, since it uses less digits than its factorization.

328916025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487302 (or 487291 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 328916025 is about 18136.0421536784. The cubic root of 328916025 is about 690.2848540316.

The spelling of 328916025 in words is "three hundred twenty-eight million, nine hundred sixteen thousand, twenty-five".