6971957 has 4 divisors (see below), whose sum is σ = 6984780. Its totient is φ = 6959136.

The previous prime is 6971941. The next prime is 6971959. The reversal of 6971957 is 7591796.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2193361 + 4778596 = 1481^2 + 2186^2 .

It is a cyclic number.

It is not a de Polignac number, because 6971957 - 2⁴ = 6971941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6971959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5558 + ... + 6695.

It is an arithmetic number, because the mean of its divisors is an integer number (1746195).

Almost surely, 2^6971957 is an apocalyptic number.

It is an amenable number.

6971957 is a deficient number, since it is larger than the sum of its proper divisors (12823).

6971957 is a wasteful number, since it uses less digits than its factorization.

6971957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12822.

The product of its digits is 119070, while the sum is 44.

The square root of 6971957 is about 2640.4463637802. The cubic root of 6971957 is about 191.0373272075.

The spelling of 6971957 in words is "six million, nine hundred seventy-one thousand, nine hundred fifty-seven".