6825489 has 12 divisors (see below), whose sum is σ = 10003728. Its totient is φ = 4136440.

The previous prime is 6825463. The next prime is 6825509. The reversal of 6825489 is 9845286.

6825489 = T₁₀₆ + T₁₀₇ + ... + T₃₄₇.

It is not a de Polignac number, because 6825489 - 2⁸ = 6825233 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6825489.

It is not an unprimeable number, because it can be changed into a prime (6825419) 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, 9039 + ... + 9764.

It is an arithmetic number, because the mean of its divisors is an integer number (833644).

Almost surely, 2^6825489 is an apocalyptic number.

It is an amenable number.

6825489 is a deficient number, since it is larger than the sum of its proper divisors (3178239).

6825489 is a wasteful number, since it uses less digits than its factorization.

6825489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18828 (or 18817 counting only the distinct ones).

The product of its digits is 138240, while the sum is 42.

The square root of 6825489 is about 2612.5636834343. The cubic root of 6825489 is about 189.6900671885.

The spelling of 6825489 in words is "six million, eight hundred twenty-five thousand, four hundred eighty-nine".