33912149 has 2 divisors, whose sum is σ = 33912150. Its totient is φ = 33912148.

The previous prime is 33912133. The next prime is 33912163. The reversal of 33912149 is 94121933.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23716900 + 10195249 = 4870^2 + 3193^2 .

It is a cyclic number.

It is not a de Polignac number, because 33912149 - 2⁴ = 33912133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33912199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16956074 + 16956075.

It is an arithmetic number, because the mean of its divisors is an integer number (16956075).

Almost surely, 2^33912149 is an apocalyptic number.

It is an amenable number.

33912149 is a deficient number, since it is larger than the sum of its proper divisors (1).

33912149 is an equidigital number, since it uses as much as digits as its factorization.

33912149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5832, while the sum is 32.

The square root of 33912149 is about 5823.4138613016. The cubic root of 33912149 is about 323.6819167816.

The spelling of 33912149 in words is "thirty-three million, nine hundred twelve thousand, one hundred forty-nine".