33028837 has 2 divisors, whose sum is σ = 33028838. Its totient is φ = 33028836.

The previous prime is 33028829. The next prime is 33028861. The reversal of 33028837 is 73882033.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33016516 + 12321 = 5746^2 + 111^2 .

It is an emirp because it is prime and its reverse (73882033) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33028837 - 2³ = 33028829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33028817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16514418 + 16514419.

It is an arithmetic number, because the mean of its divisors is an integer number (16514419).

Almost surely, 2^33028837 is an apocalyptic number.

It is an amenable number.

33028837 is a deficient number, since it is larger than the sum of its proper divisors (1).

33028837 is an equidigital number, since it uses as much as digits as its factorization.

33028837 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 33028837 is about 5747.0720371333. The cubic root of 33028837 is about 320.8468357654.

The spelling of 33028837 in words is "thirty-three million, twenty-eight thousand, eight hundred thirty-seven".