6842813 has 2 divisors, whose sum is σ = 6842814. Its totient is φ = 6842812.

The previous prime is 6842807. The next prime is 6842819. The reversal of 6842813 is 3182486.

It is a balanced prime because it is at equal distance from previous prime (6842807) and next prime (6842819).

It can be written as a sum of positive squares in only one way, i.e., 3523129 + 3319684 = 1877^2 + 1822^2 .

It is a cyclic number.

It is not a de Polignac number, because 6842813 - 2⁸ = 6842557 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6842813.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6842819) 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, 3421406 + 3421407.

It is an arithmetic number, because the mean of its divisors is an integer number (3421407).

Almost surely, 2^6842813 is an apocalyptic number.

It is an amenable number.

6842813 is a deficient number, since it is larger than the sum of its proper divisors (1).

6842813 is an equidigital number, since it uses as much as digits as its factorization.

6842813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9216, while the sum is 32.

The square root of 6842813 is about 2615.8770995595. The cubic root of 6842813 is about 189.8504178180.

The spelling of 6842813 in words is "six million, eight hundred forty-two thousand, eight hundred thirteen".