6865211 has 2 divisors, whose sum is σ = 6865212. Its totient is φ = 6865210.

The previous prime is 6865169. The next prime is 6865231. The reversal of 6865211 is 1125686.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6865211 - 2¹⁴ = 6848827 is a prime.

It is a super-2 number, since 2×6865211² = 94262244149042, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6865231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3432605 + 3432606.

It is an arithmetic number, because the mean of its divisors is an integer number (3432606).

Almost surely, 2^6865211 is an apocalyptic number.

6865211 is a deficient number, since it is larger than the sum of its proper divisors (1).

6865211 is an equidigital number, since it uses as much as digits as its factorization.

6865211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 29.

The square root of 6865211 is about 2620.1547664213. The cubic root of 6865211 is about 190.0573326519.

The spelling of 6865211 in words is "six million, eight hundred sixty-five thousand, two hundred eleven".