33044993 has 2 divisors, whose sum is σ = 33044994. Its totient is φ = 33044992.

The previous prime is 33044987. The next prime is 33045013. The reversal of 33044993 is 39944033.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25684624 + 7360369 = 5068^2 + 2713^2 .

It is a cyclic number.

It is not a de Polignac number, because 33044993 - 2¹² = 33040897 is a prime.

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 (33044953) 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, 16522496 + 16522497.

It is an arithmetic number, because the mean of its divisors is an integer number (16522497).

Almost surely, 2^33044993 is an apocalyptic number.

It is an amenable number.

33044993 is a deficient number, since it is larger than the sum of its proper divisors (1).

33044993 is an equidigital number, since it uses as much as digits as its factorization.

33044993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 35.

The square root of 33044993 is about 5748.4774505951. The cubic root of 33044993 is about 320.8991411344.

The spelling of 33044993 in words is "thirty-three million, forty-four thousand, nine hundred ninety-three".