6942931 has 2 divisors, whose sum is σ = 6942932. Its totient is φ = 6942930.

The previous prime is 6942917. The next prime is 6942967. The reversal of 6942931 is 1392496.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6942931 is a prime.

It is a super-2 number, since 2×6942931² = 96408581741522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6942031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3471465 + 3471466.

It is an arithmetic number, because the mean of its divisors is an integer number (3471466).

Almost surely, 2^6942931 is an apocalyptic number.

6942931 is a deficient number, since it is larger than the sum of its proper divisors (1).

6942931 is an equidigital number, since it uses as much as digits as its factorization.

6942931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 34.

The square root of 6942931 is about 2634.9442119331. The cubic root of 6942931 is about 190.7718463940.

The spelling of 6942931 in words is "six million, nine hundred forty-two thousand, nine hundred thirty-one".