33413133 has 32 divisors (see below), whose sum is σ = 51287040. Its totient is φ = 19192320.

The previous prime is 33413131. The next prime is 33413137. The reversal of 33413133 is 33131433.

It is not a de Polignac number, because 33413133 - 2¹ = 33413131 is a prime.

It is a super-2 number, since 2×33413133² = 2232874913751378, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33413131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34585 + ... + 35537.

It is an arithmetic number, because the mean of its divisors is an integer number (1602720).

Almost surely, 2^33413133 is an apocalyptic number.

It is an amenable number.

33413133 is a deficient number, since it is larger than the sum of its proper divisors (17873907).

33413133 is a wasteful number, since it uses less digits than its factorization.

33413133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029.

The product of its digits is 972, while the sum is 21.

The square root of 33413133 is about 5780.4094145657. The cubic root of 33413133 is about 322.0864093034.

Adding to 33413133 its reverse (33131433), we get a palindrome (66544566).

The spelling of 33413133 in words is "thirty-three million, four hundred thirteen thousand, one hundred thirty-three".