8547 has 16 divisors (see below), whose sum is σ = 14592. Its totient is φ = 4320.

The previous prime is 8543. The next prime is 8563. The reversal of 8547 is 7458.

8547 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 8547 - 2² = 8543 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213 + ... + 249.

It is an arithmetic number, because the mean of its divisors is an integer number (912).

2⁸⁵⁴⁷ is an apocalyptic number.

8547 is a deficient number, since it is larger than the sum of its proper divisors (6045).

8547 is a wasteful number, since it uses less digits than its factorization.

8547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58.

The product of its digits is 1120, while the sum is 24.

The square root of 8547 is about 92.4499864792. The cubic root of 8547 is about 20.4458216446.

Subtracting from 8547 its reverse (7458), we obtain a square (1089 = 33²).

It can be divided in two parts, 854 and 7, that added together give a triangular number (861 = T₄₁).

The spelling of 8547 in words is "eight thousand, five hundred forty-seven".