6859081 has 2 divisors, whose sum is σ = 6859082. Its totient is φ = 6859080.

The previous prime is 6859067. The next prime is 6859087. The reversal of 6859081 is 1809586.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6843456 + 15625 = 2616^2 + 125^2 .

It is a cyclic number.

It is not a de Polignac number, because 6859081 - 2⁷ = 6858953 is a prime.

It is a super-2 number, since 2×6859081² = 94093984329122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6859081.

It is not a weakly prime, because it can be changed into another prime (6859087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3429540 + 3429541.

It is an arithmetic number, because the mean of its divisors is an integer number (3429541).

Almost surely, 2^6859081 is an apocalyptic number.

It is an amenable number.

6859081 is a deficient number, since it is larger than the sum of its proper divisors (1).

6859081 is an equidigital number, since it uses as much as digits as its factorization.

6859081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 37.

The square root of 6859081 is about 2618.9847269505. The cubic root of 6859081 is about 190.0007479195. Note that the first 3 decimals are identical.

The spelling of 6859081 in words is "six million, eight hundred fifty-nine thousand, eighty-one".