6971291 has 4 divisors (see below), whose sum is σ = 6976632. Its totient is φ = 6965952.

The previous prime is 6971287. The next prime is 6971297. The reversal of 6971291 is 1921796.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 6971291 - 2² = 6971287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6971297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 740 + ... + 3806.

It is an arithmetic number, because the mean of its divisors is an integer number (1744158).

Almost surely, 2^6971291 is an apocalyptic number.

6971291 is a deficient number, since it is larger than the sum of its proper divisors (5341).

6971291 is a wasteful number, since it uses less digits than its factorization.

6971291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5340.

The product of its digits is 6804, while the sum is 35.

The square root of 6971291 is about 2640.3202457278. The cubic root of 6971291 is about 191.0312440322.

The spelling of 6971291 in words is "six million, nine hundred seventy-one thousand, two hundred ninety-one".