33412133 has 4 divisors (see below), whose sum is σ = 33513408. Its totient is φ = 33310860.

The previous prime is 33412129. The next prime is 33412139. The reversal of 33412133 is 33121433.

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: 33121433 = 1321 ⋅25073.

It is a cyclic number.

It is not a de Polignac number, because 33412133 - 2² = 33412129 is a prime.

It is a super-2 number, since 2×33412133² = 2232741263219378, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33412139) 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, 50141 + ... + 50802.

It is an arithmetic number, because the mean of its divisors is an integer number (8378352).

Almost surely, 2^33412133 is an apocalyptic number.

It is an amenable number.

33412133 is a deficient number, since it is larger than the sum of its proper divisors (101275).

33412133 is a wasteful number, since it uses less digits than its factorization.

33412133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101274.

The product of its digits is 648, while the sum is 20.

The square root of 33412133 is about 5780.3229148552. The cubic root of 33412133 is about 322.0831960996.

Adding to 33412133 its reverse (33121433), we get a palindrome (66533566).

The spelling of 33412133 in words is "thirty-three million, four hundred twelve thousand, one hundred thirty-three".