6546 has 8 divisors (see below), whose sum is σ = 13104. Its totient is φ = 2180.

The previous prime is 6529. The next prime is 6547. The reversal of 6546 is 6456.

It is a sphenic number, since it is the product of 3 distinct primes.

6546 is an admirable number.

It is a Curzon number.

It is a plaindrome in base 14.

It is a nialpdrome in base 3 and base 9.

It is not an unprimeable number, because it can be changed into a prime (6547) by changing a digit.

6546 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 540 + ... + 551.

It is an arithmetic number, because the mean of its divisors is an integer number (1638).

2⁶⁵⁴⁶ is an apocalyptic number.

6546 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6552).

6546 is a wasteful number, since it uses less digits than its factorization.

6546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096.

The product of its digits is 720, while the sum is 21.

The square root of 6546 is about 80.9073544247. The cubic root of 6546 is about 18.7064768284.

It can be divided in two parts, 65 and 46, that added together give a palindrome (111).

The spelling of 6546 in words is "six thousand, five hundred forty-six".