33409133 has 8 divisors (see below), whose sum is σ = 35520768. Its totient is φ = 31352464.

The previous prime is 33409127. The next prime is 33409141. The reversal of 33409133 is 33190433.

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 33409133 - 2⁶ = 33409069 is a prime.

It is a super-2 number, since 2×33409133² = 2232340335623378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33409333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12485 + ... + 14922.

It is an arithmetic number, because the mean of its divisors is an integer number (4440096).

Almost surely, 2^33409133 is an apocalyptic number.

It is an amenable number.

33409133 is a deficient number, since it is larger than the sum of its proper divisors (2111635).

33409133 is a wasteful number, since it uses less digits than its factorization.

33409133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27483.

The product of its (nonzero) digits is 2916, while the sum is 26.

The square root of 33409133 is about 5780.0634079567. The cubic root of 33409133 is about 322.0735561033.

Adding to 33409133 its reverse (33190433), we get a palindrome (66599566).

The spelling of 33409133 in words is "thirty-three million, four hundred nine thousand, one hundred thirty-three".