328275403 has 4 divisors (see below), whose sum is σ = 328547248. Its totient is φ = 328003560.

The previous prime is 328275391. The next prime is 328275419. The reversal of 328275403 is 304572823.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 328275403 - 2⁵ = 328275371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328275203) 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, 134103 + ... + 136528.

It is an arithmetic number, because the mean of its divisors is an integer number (82136812).

Almost surely, 2^328275403 is an apocalyptic number.

328275403 is a deficient number, since it is larger than the sum of its proper divisors (271845).

328275403 is a wasteful number, since it uses less digits than its factorization.

328275403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271844.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 328275403 is about 18118.3719743248. The cubic root of 328275403 is about 689.8364122448.

The spelling of 328275403 in words is "three hundred twenty-eight million, two hundred seventy-five thousand, four hundred three".