33155013 has 8 divisors (see below), whose sum is σ = 44313376. Its totient is φ = 22050000.

The previous prime is 33154999. The next prime is 33155039. The reversal of 33155013 is 31055133.

It is a happy number.

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

It is not a de Polignac number, because 33155013 - 2⁸ = 33154757 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 (33155053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11863 + ... + 14388.

It is an arithmetic number, because the mean of its divisors is an integer number (5539172).

Almost surely, 2^33155013 is an apocalyptic number.

It is an amenable number.

33155013 is a deficient number, since it is larger than the sum of its proper divisors (11158363).

33155013 is a wasteful number, since it uses less digits than its factorization.

33155013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26675.

The product of its (nonzero) digits is 675, while the sum is 21.

The square root of 33155013 is about 5758.0389891004. The cubic root of 33155013 is about 321.2548804943.

The spelling of 33155013 in words is "thirty-three million, one hundred fifty-five thousand, thirteen".