33082009 has 2 divisors, whose sum is σ = 33082010. Its totient is φ = 33082008.

The previous prime is 33082001. The next prime is 33082019. The reversal of 33082009 is 90028033.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32718400 + 363609 = 5720^2 + 603^2 .

It is an emirp because it is prime and its reverse (90028033) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33082009 - 2³ = 33082001 is a prime.

It is not a weakly prime, because it can be changed into another prime (33082001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16541004 + 16541005.

It is an arithmetic number, because the mean of its divisors is an integer number (16541005).

Almost surely, 2^33082009 is an apocalyptic number.

It is an amenable number.

33082009 is a deficient number, since it is larger than the sum of its proper divisors (1).

33082009 is an equidigital number, since it uses as much as digits as its factorization.

33082009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 33082009 is about 5751.6961846050. The cubic root of 33082009 is about 321.0189169210.

The spelling of 33082009 in words is "thirty-three million, eighty-two thousand, nine".