6971659 has 2 divisors, whose sum is σ = 6971660. Its totient is φ = 6971658.

The previous prime is 6971647. The next prime is 6971669. The reversal of 6971659 is 9561796.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6971659 - 2¹⁵ = 6938891 is a prime.

It is not a weakly prime, because it can be changed into another prime (6971609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3485829 + 3485830.

It is an arithmetic number, because the mean of its divisors is an integer number (3485830).

Almost surely, 2^6971659 is an apocalyptic number.

6971659 is a deficient number, since it is larger than the sum of its proper divisors (1).

6971659 is an equidigital number, since it uses as much as digits as its factorization.

6971659 is an evil number, because the sum of its binary digits is even.

The product of its digits is 102060, while the sum is 43.

The square root of 6971659 is about 2640.3899333242. The cubic root of 6971659 is about 191.0346053541.

The spelling of 6971659 in words is "six million, nine hundred seventy-one thousand, six hundred fifty-nine".