33073013 has 2 divisors, whose sum is σ = 33073014. Its totient is φ = 33073012.

The previous prime is 33073003. The next prime is 33073031. The reversal of 33073013 is 31037033.

It is a happy number.

Together with next prime (33073031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28654609 + 4418404 = 5353^2 + 2102^2 .

It is an emirp because it is prime and its reverse (31037033) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33073013 - 2⁴ = 33072997 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33073003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16536506 + 16536507.

It is an arithmetic number, because the mean of its divisors is an integer number (16536507).

Almost surely, 2^33073013 is an apocalyptic number.

It is an amenable number.

33073013 is a deficient number, since it is larger than the sum of its proper divisors (1).

33073013 is an equidigital number, since it uses as much as digits as its factorization.

33073013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 567, while the sum is 20.

The square root of 33073013 is about 5750.9141012538. The cubic root of 33073013 is about 320.9898160283.

The spelling of 33073013 in words is "thirty-three million, seventy-three thousand, thirteen".