33104009 has 2 divisors, whose sum is σ = 33104010. Its totient is φ = 33104008.

The previous prime is 33104003. The next prime is 33104017. The reversal of 33104009 is 90040133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21132409 + 11971600 = 4597^2 + 3460^2 .

It is a cyclic number.

It is not a de Polignac number, because 33104009 - 2²⁰ = 32055433 is a prime.

It is a super-4 number, since 4×33104009⁴ (a number of 31 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (33104003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16552004 + 16552005.

It is an arithmetic number, because the mean of its divisors is an integer number (16552005).

Almost surely, 2^33104009 is an apocalyptic number.

It is an amenable number.

33104009 is a deficient number, since it is larger than the sum of its proper divisors (1).

33104009 is an equidigital number, since it uses as much as digits as its factorization.

33104009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 33104009 is about 5753.6083460729. The cubic root of 33104009 is about 321.0900618467.

The spelling of 33104009 in words is "thirty-three million, one hundred four thousand, nine".