6971317 has 2 divisors, whose sum is σ = 6971318. Its totient is φ = 6971316.

The previous prime is 6971303. The next prime is 6971333. The reversal of 6971317 is 7131796.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6765201 + 206116 = 2601^2 + 454^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6971317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6971357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3485658 + 3485659.

It is an arithmetic number, because the mean of its divisors is an integer number (3485659).

Almost surely, 2^6971317 is an apocalyptic number.

It is an amenable number.

6971317 is a deficient number, since it is larger than the sum of its proper divisors (1).

6971317 is an equidigital number, since it uses as much as digits as its factorization.

6971317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7938, while the sum is 34.

The square root of 6971317 is about 2640.3251693683. The cubic root of 6971317 is about 191.0314815208.

The spelling of 6971317 in words is "six million, nine hundred seventy-one thousand, three hundred seventeen".