328312533 has 12 divisors (see below), whose sum is σ = 462003648. Its totient is φ = 207354600.

The previous prime is 328312513. The next prime is 328312547. The reversal of 328312533 is 335213823.

It is not a de Polignac number, because 328312533 - 2⁹ = 328312021 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 328312533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328312513) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 150493 + ... + 152658.

It is an arithmetic number, because the mean of its divisors is an integer number (38500304).

Almost surely, 2^328312533 is an apocalyptic number.

It is an amenable number.

328312533 is a deficient number, since it is larger than the sum of its proper divisors (133691115).

328312533 is a wasteful number, since it uses less digits than its factorization.

328312533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303192 (or 303173 counting only the distinct ones).

The product of its digits is 12960, while the sum is 30.

The square root of 328312533 is about 18119.3965959135. The cubic root of 328312533 is about 689.8624195343.

The spelling of 328312533 in words is "three hundred twenty-eight million, three hundred twelve thousand, five hundred thirty-three".