6881113 has 2 divisors, whose sum is σ = 6881114. Its totient is φ = 6881112.

The previous prime is 6881093. The next prime is 6881123. The reversal of 6881113 is 3111886.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5774409 + 1106704 = 2403^2 + 1052^2 .

It is a cyclic number.

It is not a de Polignac number, because 6881113 - 2⁵ = 6881081 is a prime.

It is a super-2 number, since 2×6881113² = 94699432237538, which contains 22 as substring.

6881113 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (6881123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3440556 + 3440557.

It is an arithmetic number, because the mean of its divisors is an integer number (3440557).

Almost surely, 2^6881113 is an apocalyptic number.

It is an amenable number.

6881113 is a deficient number, since it is larger than the sum of its proper divisors (1).

6881113 is an equidigital number, since it uses as much as digits as its factorization.

6881113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 28.

The square root of 6881113 is about 2623.1875647769. The cubic root of 6881113 is about 190.2039637933.

Adding to 6881113 its reverse (3111886), we get a palindrome (9992999).

The spelling of 6881113 in words is "six million, eight hundred eighty-one thousand, one hundred thirteen".