33068257 has 2 divisors, whose sum is σ = 33068258. Its totient is φ = 33068256.

The previous prime is 33068249. The next prime is 33068297. The reversal of 33068257 is 75286033.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32251041 + 817216 = 5679^2 + 904^2 .

It is a cyclic number.

It is not a de Polignac number, because 33068257 - 2³ = 33068249 is a prime.

It is not a weakly prime, because it can be changed into another prime (33068297) 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, 16534128 + 16534129.

It is an arithmetic number, because the mean of its divisors is an integer number (16534129).

Almost surely, 2^33068257 is an apocalyptic number.

It is an amenable number.

33068257 is a deficient number, since it is larger than the sum of its proper divisors (1).

33068257 is an equidigital number, since it uses as much as digits as its factorization.

33068257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 33068257 is about 5750.5005869055. The cubic root of 33068257 is about 320.9744288530.

The spelling of 33068257 in words is "thirty-three million, sixty-eight thousand, two hundred fifty-seven".