6938081 has 2 divisors, whose sum is σ = 6938082. Its totient is φ = 6938080.

The previous prime is 6938069. The next prime is 6938089. The reversal of 6938081 is 1808396.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6838225 + 99856 = 2615^2 + 316^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6938081 is a prime.

It is a super-2 number, since 2×6938081² = 96273935925122, which contains 22 as substring.

It is a Chen prime.

It is a nialpdrome in base 14.

It is not a weakly prime, because it can be changed into another prime (6938089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3469040 + 3469041.

It is an arithmetic number, because the mean of its divisors is an integer number (3469041).

Almost surely, 2^6938081 is an apocalyptic number.

It is an amenable number.

6938081 is a deficient number, since it is larger than the sum of its proper divisors (1).

6938081 is an equidigital number, since it uses as much as digits as its factorization.

6938081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 6938081 is about 2634.0237280632. The cubic root of 6938081 is about 190.7274146796.

The spelling of 6938081 in words is "six million, nine hundred thirty-eight thousand, eighty-one".