6875 has 10 divisors (see below), whose sum is σ = 9372. Its totient is φ = 5000.

The previous prime is 6871. The next prime is 6883. The reversal of 6875 is 5786.

6875 = 6² + 7² + ... + 27².

6875 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 6875 - 2² = 6871 is a prime.

Its product of digits (1680) is a multiple of the sum of its prime divisors (16).

It is a nialpdrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (6871) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 620 + ... + 630.

2⁶⁸⁷⁵ is an apocalyptic number.

6875 is a deficient number, since it is larger than the sum of its proper divisors (2497).

6875 is an equidigital number, since it uses as much as digits as its factorization.

6875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31 (or 16 counting only the distinct ones).

The product of its digits is 1680, while the sum is 26.

The square root of 6875 is about 82.9156197589. The cubic root of 6875 is about 19.0147623038.

Subtracting from 6875 its reverse (5786), we obtain a square (1089 = 33²).

The spelling of 6875 in words is "six thousand, eight hundred seventy-five".