33088021 has 2 divisors, whose sum is σ = 33088022. Its totient is φ = 33088020.

The previous prime is 33088009. The next prime is 33088039. The reversal of 33088021 is 12088033.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23415921 + 9672100 = 4839^2 + 3110^2 .

It is an emirp because it is prime and its reverse (12088033) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33088021 - 2⁷ = 33087893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33088091) 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, 16544010 + 16544011.

It is an arithmetic number, because the mean of its divisors is an integer number (16544011).

Almost surely, 2^33088021 is an apocalyptic number.

It is an amenable number.

33088021 is a deficient number, since it is larger than the sum of its proper divisors (1).

33088021 is an equidigital number, since it uses as much as digits as its factorization.

33088021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 33088021 is about 5752.2187893021. The cubic root of 33088021 is about 321.0383620201.

The spelling of 33088021 in words is "thirty-three million, eighty-eight thousand, twenty-one".