33059989 has 2 divisors, whose sum is σ = 33059990. Its totient is φ = 33059988.

The previous prime is 33059977. The next prime is 33060017. The reversal of 33059989 is 98995033.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18748900 + 14311089 = 4330^2 + 3783^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33059989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33059959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16529994 + 16529995.

It is an arithmetic number, because the mean of its divisors is an integer number (16529995).

Almost surely, 2^33059989 is an apocalyptic number.

It is an amenable number.

33059989 is a deficient number, since it is larger than the sum of its proper divisors (1).

33059989 is an equidigital number, since it uses as much as digits as its factorization.

33059989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 262440, while the sum is 46.

The square root of 33059989 is about 5749.7816480280. The cubic root of 33059989 is about 320.9476757265.

The spelling of 33059989 in words is "thirty-three million, fifty-nine thousand, nine hundred eighty-nine".