6979151 has 4 divisors (see below), whose sum is σ = 7001904. Its totient is φ = 6956400.

The previous prime is 6979139. The next prime is 6979153. The reversal of 6979151 is 1519796.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6979151 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 (6979153) 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, 10910 + ... + 11531.

It is an arithmetic number, because the mean of its divisors is an integer number (1750476).

Almost surely, 2^6979151 is an apocalyptic number.

6979151 is a deficient number, since it is larger than the sum of its proper divisors (22753).

6979151 is a wasteful number, since it uses less digits than its factorization.

6979151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22752.

The product of its digits is 17010, while the sum is 38.

The square root of 6979151 is about 2641.8082822188. The cubic root of 6979151 is about 191.1030117829.

The spelling of 6979151 in words is "six million, nine hundred seventy-nine thousand, one hundred fifty-one".