328511273 has 4 divisors (see below), whose sum is σ = 345801360. Its totient is φ = 311221188.

The previous prime is 328511219. The next prime is 328511297. The reversal of 328511273 is 372115823.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 328511273 - 2⁸ = 328511017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328519273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8645015 + ... + 8645052.

It is an arithmetic number, because the mean of its divisors is an integer number (86450340).

Almost surely, 2^328511273 is an apocalyptic number.

It is an amenable number.

328511273 is a deficient number, since it is larger than the sum of its proper divisors (17290087).

328511273 is a wasteful number, since it uses less digits than its factorization.

328511273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17290086.

The product of its digits is 10080, while the sum is 32.

The square root of 328511273 is about 18124.8799444300. The cubic root of 328511273 is about 690.0015913987.

The spelling of 328511273 in words is "three hundred twenty-eight million, five hundred eleven thousand, two hundred seventy-three".