6825667 has 4 divisors (see below), whose sum is σ = 6845040. Its totient is φ = 6806296.

The previous prime is 6825661. The next prime is 6825683. The reversal of 6825667 is 7665286.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7665286 = 2 ⋅3832643.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6825667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6825661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9148 + ... + 9865.

It is an arithmetic number, because the mean of its divisors is an integer number (1711260).

Almost surely, 2^6825667 is an apocalyptic number.

6825667 is a deficient number, since it is larger than the sum of its proper divisors (19373).

6825667 is a wasteful number, since it uses less digits than its factorization.

6825667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19372.

The product of its digits is 120960, while the sum is 40.

The square root of 6825667 is about 2612.5977493675. The cubic root of 6825667 is about 189.6917161321.

The spelling of 6825667 in words is "six million, eight hundred twenty-five thousand, six hundred sixty-seven".