6850681 has 2 divisors, whose sum is σ = 6850682. Its totient is φ = 6850680.

The previous prime is 6850663. The next prime is 6850691. The reversal of 6850681 is 1860586.

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., 6843456 + 7225 = 2616^2 + 85^2 .

It is a cyclic number.

It is not a de Polignac number, because 6850681 - 2⁷ = 6850553 is a prime.

It is a super-2 number, since 2×6850681² = 93863660327522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6850601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3425340 + 3425341.

It is an arithmetic number, because the mean of its divisors is an integer number (3425341).

Almost surely, 2^6850681 is an apocalyptic number.

It is an amenable number.

6850681 is a deficient number, since it is larger than the sum of its proper divisors (1).

6850681 is an equidigital number, since it uses as much as digits as its factorization.

6850681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 6850681 is about 2617.3805607897. The cubic root of 6850681 is about 189.9231545196.

The spelling of 6850681 in words is "six million, eight hundred fifty thousand, six hundred eighty-one".