6938131 has 2 divisors, whose sum is σ = 6938132. Its totient is φ = 6938130.

The previous prime is 6938101. The next prime is 6938147. The reversal of 6938131 is 1318396.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6938131 - 2⁷ = 6938003 is a prime.

It is a super-2 number, since 2×6938131² = 96275323546322, which contains 22 as substring.

It is a Chen prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 6938093 and 6938102.

It is not a weakly prime, because it can be changed into another prime (6938101) 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, 3469065 + 3469066.

It is an arithmetic number, because the mean of its divisors is an integer number (3469066).

Almost surely, 2^6938131 is an apocalyptic number.

6938131 is a deficient number, since it is larger than the sum of its proper divisors (1).

6938131 is an equidigital number, since it uses as much as digits as its factorization.

6938131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 31.

The square root of 6938131 is about 2634.0332192286. The cubic root of 6938131 is about 190.7278728441.

The spelling of 6938131 in words is "six million, nine hundred thirty-eight thousand, one hundred thirty-one".