Subtracting from 2576 its sum of digits (20), we obtain a triangular number (2556 = T71).
2576 is nontrivially palindromic in base 15.
2576 is an esthetic number in base 13, because in such base its adjacent digits differ by 1.
2576 is an undulating number in base 15.
It is a nialpdrome in base 14 and base 16.
It is a congruent number.
2576 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
22576 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 2576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2976).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2576 is a wasteful number, since it uses less digits than its factorization.
2576 is an odious number, because the sum of its binary digits is odd.
The square root of 2576 is about 50.7543101618. The cubic root of 2576 is about 13.7082480037.
The spelling of 2576 in words is "two thousand, five hundred seventy-six".