6871717 has 2 divisors, whose sum is σ = 6871718. Its totient is φ = 6871716.

The previous prime is 6871703. The next prime is 6871759. The reversal of 6871717 is 7171786.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3944196 + 2927521 = 1986^2 + 1711^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6871717 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6875717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3435858 + 3435859.

It is an arithmetic number, because the mean of its divisors is an integer number (3435859).

Almost surely, 2^6871717 is an apocalyptic number.

It is an amenable number.

6871717 is a deficient number, since it is larger than the sum of its proper divisors (1).

6871717 is an equidigital number, since it uses as much as digits as its factorization.

6871717 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16464, while the sum is 37.

The square root of 6871717 is about 2621.3960021332. The cubic root of 6871717 is about 190.1173513271.

The spelling of 6871717 in words is "six million, eight hundred seventy-one thousand, seven hundred seventeen".