It is a congruent number.
It is an unprimeable number.
26512 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 6512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7068).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6512 is a wasteful number, since it uses less digits than its factorization.
6512 is an evil number, because the sum of its binary digits is even.
The square root of 6512 is about 80.6969640073. The cubic root of 6512 is about 18.6740333736.
Adding to 6512 its reverse (2156), we get a palindrome (8668).
Subtracting from 6512 its reverse (2156), we obtain a square (4356 = 662).
The spelling of 6512 in words is "six thousand, five hundred twelve".