6911081 has 2 divisors, whose sum is σ = 6911082. Its totient is φ = 6911080.

The previous prime is 6911059. The next prime is 6911087. The reversal of 6911081 is 1801196.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5736025 + 1175056 = 2395^2 + 1084^2 .

It is a cyclic number.

It is not a de Polignac number, because 6911081 - 2¹⁴ = 6894697 is a prime.

It is a super-3 number, since 3×6911081³ (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 6911081.

It is not a weakly prime, because it can be changed into another prime (6911087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3455540 + 3455541.

It is an arithmetic number, because the mean of its divisors is an integer number (3455541).

Almost surely, 2^6911081 is an apocalyptic number.

It is an amenable number.

6911081 is a deficient number, since it is larger than the sum of its proper divisors (1).

6911081 is an equidigital number, since it uses as much as digits as its factorization.

6911081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 26.

The square root of 6911081 is about 2628.8934934683. The cubic root of 6911081 is about 190.4796836076.

The spelling of 6911081 in words is "six million, nine hundred eleven thousand, eighty-one".