33113393 has 8 divisors (see below), whose sum is σ = 33823656. Its totient is φ = 32406400.

The previous prime is 33113359. The next prime is 33113413. The reversal of 33113393 is 39331133.

It can be written as a sum of positive squares in 4 ways, for example, as 16384 + 33097009 = 128^2 + 5753^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 33113393 - 2⁶ = 33113329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33113303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39923 + ... + 40743.

It is an arithmetic number, because the mean of its divisors is an integer number (4227957).

Almost surely, 2^33113393 is an apocalyptic number.

It is an amenable number.

33113393 is a deficient number, since it is larger than the sum of its proper divisors (710263).

33113393 is an equidigital number, since it uses as much as digits as its factorization.

33113393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1635.

The product of its digits is 2187, while the sum is 26.

The square root of 33113393 is about 5754.4237765392. The cubic root of 33113393 is about 321.1203988015.

The spelling of 33113393 in words is "thirty-three million, one hundred thirteen thousand, three hundred ninety-three".