33343109 has 2 divisors, whose sum is σ = 33343110. Its totient is φ = 33343108.

The previous prime is 33343067. The next prime is 33343133. The reversal of 33343109 is 90134333.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29430625 + 3912484 = 5425^2 + 1978^2 .

It is an emirp because it is prime and its reverse (90134333) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33343109 - 2²⁰ = 32294533 is a prime.

It is a super-2 number, since 2×33343109² = 2223525835571762, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33343159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16671554 + 16671555.

It is an arithmetic number, because the mean of its divisors is an integer number (16671555).

Almost surely, 2^33343109 is an apocalyptic number.

It is an amenable number.

33343109 is a deficient number, since it is larger than the sum of its proper divisors (1).

33343109 is an equidigital number, since it uses as much as digits as its factorization.

33343109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 26.

The square root of 33343109 is about 5774.3492274022. The cubic root of 33343109 is about 321.8612528015.

The spelling of 33343109 in words is "thirty-three million, three hundred forty-three thousand, one hundred nine".