11328533 has 4 divisors (see below), whose sum is σ = 11445420. Its totient is φ = 11211648.

The previous prime is 11328529. The next prime is 11328539. The reversal of 11328533 is 33582311.

11328533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1737124 + 9591409 = 1318^2 + 3097^2 .

It is not a de Polignac number, because 11328533 - 2² = 11328529 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 (11328539) 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, 58298 + ... + 58491.

It is an arithmetic number, because the mean of its divisors is an integer number (2861355).

Almost surely, 2^11328533 is an apocalyptic number.

It is an amenable number.

11328533 is a deficient number, since it is larger than the sum of its proper divisors (116887).

11328533 is an equidigital number, since it uses as much as digits as its factorization.

11328533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116886.

The product of its digits is 2160, while the sum is 26.

The square root of 11328533 is about 3365.7886148717. The cubic root of 11328533 is about 224.5904186523.

The spelling of 11328533 in words is "eleven million, three hundred twenty-eight thousand, five hundred thirty-three".