3331309 has 2 divisors, whose sum is σ = 3331310. Its totient is φ = 3331308.

The previous prime is 3331301. The next prime is 3331319. The reversal of 3331309 is 9031333.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2965284 + 366025 = 1722^2 + 605^2 .

It is a cyclic number.

It is not a de Polignac number, because 3331309 - 2³ = 3331301 is a prime.

It is a super-2 number, since 2×3331309² = 22195239306962, 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 3331309.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3331301) 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, 1665654 + 1665655.

It is an arithmetic number, because the mean of its divisors is an integer number (1665655).

Almost surely, 2^3331309 is an apocalyptic number.

It is an amenable number.

3331309 is a deficient number, since it is larger than the sum of its proper divisors (1).

3331309 is an equidigital number, since it uses as much as digits as its factorization.

3331309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 729, while the sum is 22.

The square root of 3331309 is about 1825.1873876400. The cubic root of 3331309 is about 149.3499125717.

The spelling of 3331309 in words is "three million, three hundred thirty-one thousand, three hundred nine".