6825789 has 20 divisors (see below), whose sum is σ = 10798524. Its totient is φ = 4281984.

The previous prime is 6825787. The next prime is 6825799. The reversal of 6825789 is 9875286.

6825789 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 5560164 + 1265625 = 2358^2 + 1125^2 .

It is not a de Polignac number, because 6825789 - 2¹ = 6825787 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

6825789 is a lucky number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6825781) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1102 + ... + 3855.

Almost surely, 2^6825789 is an apocalyptic number.

It is an amenable number.

6825789 is a deficient number, since it is larger than the sum of its proper divisors (3972735).

6825789 is a wasteful number, since it uses less digits than its factorization.

6825789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4986 (or 4977 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 6825789 is about 2612.6210976718. The cubic root of 6825789 is about 189.6928462903.

Multiplying 6825789 by its sum of digits (45), we get a triangular number (307160505 = T₂₄₇₈₅).

The spelling of 6825789 in words is "six million, eight hundred twenty-five thousand, seven hundred eighty-nine".