6959543 has 2 divisors, whose sum is σ = 6959544. Its totient is φ = 6959542.

The previous prime is 6959521. The next prime is 6959549. The reversal of 6959543 is 3459596.

6959543 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 6959543 - 2⁸ = 6959287 is a prime.

It is a d-powerful number, because it can be written as 6⁷ + 9³ + 5 + 9⁶ + 5⁹ + 4¹¹ + 3 .

It is a self number, because there is not a number n which added to its sum of digits gives 6959543.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6959549) 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, 3479771 + 3479772.

It is an arithmetic number, because the mean of its divisors is an integer number (3479772).

Almost surely, 2^6959543 is an apocalyptic number.

6959543 is a deficient number, since it is larger than the sum of its proper divisors (1).

6959543 is an equidigital number, since it uses as much as digits as its factorization.

6959543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145800, while the sum is 41.

The square root of 6959543 is about 2638.0945775313. The cubic root of 6959543 is about 190.9238752585.

The spelling of 6959543 in words is "six million, nine hundred fifty-nine thousand, five hundred forty-three".