33913153 has 4 divisors (see below), whose sum is σ = 33968560. Its totient is φ = 33857748.

The previous prime is 33913129. The next prime is 33913169. The reversal of 33913153 is 35131933.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35131933 = 1621 ⋅21673.

It is a cyclic number.

It is not a de Polignac number, because 33913153 - 2¹⁷ = 33782081 is a prime.

It is the 5824-th Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33913553) by changing a digit.

It is a nontrivial repunit in base 5823.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26775 + ... + 28012.

It is an arithmetic number, because the mean of its divisors is an integer number (8492140).

Almost surely, 2^33913153 is an apocalyptic number.

It is an amenable number.

33913153 is a deficient number, since it is larger than the sum of its proper divisors (55407).

33913153 is an equidigital number, since it uses as much as digits as its factorization.

33913153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55406.

The product of its digits is 3645, while the sum is 28.

The square root of 33913153 is about 5823.5000643943. The cubic root of 33913153 is about 323.6851110492.

The spelling of 33913153 in words is "thirty-three million, nine hundred thirteen thousand, one hundred fifty-three".