33245239 has 2 divisors, whose sum is σ = 33245240. Its totient is φ = 33245238.

The previous prime is 33245167. The next prime is 33245243. The reversal of 33245239 is 93254233.

It is a strong prime.

It is an emirp because it is prime and its reverse (93254233) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33245239 - 2¹⁵ = 33212471 is a prime.

It is a super-2 number, since 2×33245239² = 2210491832334242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33245239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33245539) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16622619 + 16622620.

It is an arithmetic number, because the mean of its divisors is an integer number (16622620).

Almost surely, 2^33245239 is an apocalyptic number.

33245239 is a deficient number, since it is larger than the sum of its proper divisors (1).

33245239 is an equidigital number, since it uses as much as digits as its factorization.

33245239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 31.

The square root of 33245239 is about 5765.8684514997. The cubic root of 33245239 is about 321.5460309293.

The spelling of 33245239 in words is "thirty-three million, two hundred forty-five thousand, two hundred thirty-nine".