6845911 has 2 divisors, whose sum is σ = 6845912. Its totient is φ = 6845910.

The previous prime is 6845897. The next prime is 6845921. The reversal of 6845911 is 1195486.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6845911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6845921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3422955 + 3422956.

It is an arithmetic number, because the mean of its divisors is an integer number (3422956).

Almost surely, 2^6845911 is an apocalyptic number.

6845911 is a deficient number, since it is larger than the sum of its proper divisors (1).

6845911 is an equidigital number, since it uses as much as digits as its factorization.

6845911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 34.

The square root of 6845911 is about 2616.4691857540. The cubic root of 6845911 is about 189.8790643146.

The spelling of 6845911 in words is "six million, eight hundred forty-five thousand, nine hundred eleven".