33090539 has 2 divisors, whose sum is σ = 33090540. Its totient is φ = 33090538.

The previous prime is 33090509. The next prime is 33090587. The reversal of 33090539 is 93509033.

It is a weak prime.

It is an emirp because it is prime and its reverse (93509033) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33090539 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (33090509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16545269 + 16545270.

It is an arithmetic number, because the mean of its divisors is an integer number (16545270).

Almost surely, 2^33090539 is an apocalyptic number.

33090539 is a deficient number, since it is larger than the sum of its proper divisors (1).

33090539 is an equidigital number, since it uses as much as digits as its factorization.

33090539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10935, while the sum is 32.

The square root of 33090539 is about 5752.4376572024. The cubic root of 33090539 is about 321.0465054919.

The spelling of 33090539 in words is "thirty-three million, ninety thousand, five hundred thirty-nine".