328533005 has 4 divisors (see below), whose sum is σ = 394239612. Its totient is φ = 262826400.

The previous prime is 328533001. The next prime is 328533031. The reversal of 328533005 is 500335823.

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

It can be written as a sum of positive squares in 2 ways, for example, as 195384484 + 133148521 = 13978^2 + 11539^2 .

It is not a de Polignac number, because 328533005 - 2² = 328533001 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328533001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32853296 + ... + 32853305.

It is an arithmetic number, because the mean of its divisors is an integer number (98559903).

Almost surely, 2^328533005 is an apocalyptic number.

It is an amenable number.

328533005 is a deficient number, since it is larger than the sum of its proper divisors (65706607).

328533005 is an equidigital number, since it uses as much as digits as its factorization.

328533005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65706606.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 328533005 is about 18125.4794419348. The cubic root of 328533005 is about 690.0168062839.

Adding to 328533005 its reverse (500335823), we get a palindrome (828868828).

The spelling of 328533005 in words is "three hundred twenty-eight million, five hundred thirty-three thousand, five".