6825861 has 12 divisors (see below), whose sum is σ = 11268192. Its totient is φ = 3900456.

The previous prime is 6825829. The next prime is 6825877. The reversal of 6825861 is 1685286.

It is a happy number.

6825861 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6825861 - 2⁵ = 6825829 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6825811) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54111 + ... + 54236.

It is an arithmetic number, because the mean of its divisors is an integer number (939016).

Almost surely, 2^6825861 is an apocalyptic number.

It is an amenable number.

6825861 is a deficient number, since it is larger than the sum of its proper divisors (4442331).

6825861 is a wasteful number, since it uses less digits than its factorization.

6825861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108360 (or 108357 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 6825861 is about 2612.6348769011. The cubic root of 6825861 is about 189.6935132626.

The spelling of 6825861 in words is "six million, eight hundred twenty-five thousand, eight hundred sixty-one".