6841309 has 2 divisors, whose sum is σ = 6841310. Its totient is φ = 6841308.

The previous prime is 6841291. The next prime is 6841319. The reversal of 6841309 is 9031486.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4853209 + 1988100 = 2203^2 + 1410^2 .

It is a cyclic number.

It is not a de Polignac number, because 6841309 - 2⁵ = 6841277 is a prime.

6841309 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6841319) 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, 3420654 + 3420655.

It is an arithmetic number, because the mean of its divisors is an integer number (3420655).

Almost surely, 2^6841309 is an apocalyptic number.

It is an amenable number.

6841309 is a deficient number, since it is larger than the sum of its proper divisors (1).

6841309 is an equidigital number, since it uses as much as digits as its factorization.

6841309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 6841309 is about 2615.5896084822. The cubic root of 6841309 is about 189.8365075568.

The spelling of 6841309 in words is "six million, eight hundred forty-one thousand, three hundred nine".