33113489 has 2 divisors, whose sum is σ = 33113490. Its totient is φ = 33113488.

The previous prime is 33113459. The next prime is 33113497. The reversal of 33113489 is 98431133.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26863489 + 6250000 = 5183^2 + 2500^2 .

It is a cyclic number.

It is not a de Polignac number, because 33113489 - 2⁸ = 33113233 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (33113459) 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, 16556744 + 16556745.

It is an arithmetic number, because the mean of its divisors is an integer number (16556745).

Almost surely, 2^33113489 is an apocalyptic number.

It is an amenable number.

33113489 is a deficient number, since it is larger than the sum of its proper divisors (1).

33113489 is an equidigital number, since it uses as much as digits as its factorization.

33113489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 32.

The square root of 33113489 is about 5754.4321179418. The cubic root of 33113489 is about 321.1207091244.

The spelling of 33113489 in words is "thirty-three million, one hundred thirteen thousand, four hundred eighty-nine".