33304913 has 2 divisors, whose sum is σ = 33304914. Its totient is φ = 33304912.

The previous prime is 33304907. The next prime is 33304933. The reversal of 33304913 is 31940333.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29073664 + 4231249 = 5392^2 + 2057^2 .

It is an emirp because it is prime and its reverse (31940333) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33304913 - 2⁶ = 33304849 is a prime.

It is a super-2 number, since 2×33304913² = 2218434459875138, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (33304933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16652456 + 16652457.

It is an arithmetic number, because the mean of its divisors is an integer number (16652457).

Almost surely, 2^33304913 is an apocalyptic number.

It is an amenable number.

33304913 is a deficient number, since it is larger than the sum of its proper divisors (1).

33304913 is an equidigital number, since it uses as much as digits as its factorization.

33304913 is an odious number, because the sum of its binary digits is odd.

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

The square root of 33304913 is about 5771.0408939809. The cubic root of 33304913 is about 321.7383037611.

The spelling of 33304913 in words is "thirty-three million, three hundred four thousand, nine hundred thirteen".