328715065 has 16 divisors (see below), whose sum is σ = 457540992. Its totient is φ = 222038784.

The previous prime is 328715059. The next prime is 328715089. The reversal of 328715065 is 560517823.

It is a cyclic number.

It is not a de Polignac number, because 328715065 - 2⁷ = 328714937 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67744 + ... + 72433.

It is an arithmetic number, because the mean of its divisors is an integer number (28596312).

Almost surely, 2^328715065 is an apocalyptic number.

328715065 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

328715065 is a deficient number, since it is larger than the sum of its proper divisors (128825927).

328715065 is a wasteful number, since it uses less digits than its factorization.

328715065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140256.

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 328715065 is about 18130.5009583299. The cubic root of 328715065 is about 690.1442427562.

The spelling of 328715065 in words is "three hundred twenty-eight million, seven hundred fifteen thousand, sixty-five".