6843539 has 2 divisors, whose sum is σ = 6843540. Its totient is φ = 6843538.

The previous prime is 6843521. The next prime is 6843547. The reversal of 6843539 is 9353486.

6843539 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6843539 - 2⁸ = 6843283 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6843509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3421769 + 3421770.

It is an arithmetic number, because the mean of its divisors is an integer number (3421770).

Almost surely, 2^6843539 is an apocalyptic number.

6843539 is a deficient number, since it is larger than the sum of its proper divisors (1).

6843539 is an equidigital number, since it uses as much as digits as its factorization.

6843539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 38.

The square root of 6843539 is about 2616.0158638663. The cubic root of 6843539 is about 189.8571317493.

The spelling of 6843539 in words is "six million, eight hundred forty-three thousand, five hundred thirty-nine".