Multipling 2505 by its product of nonzero digits (50), we get a triangular number (125250 = T500).
Adding to 2505 its reverse (5052), we get a palindrome (7557).
2505 is nontrivially palindromic in base 16.
2505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is an alternating number because its digits alternate between even and odd.
2505 is an undulating number in base 16.
It is a Curzon number.
2505 is a lucky number.
It is a nialpdrome in base 15.
2505 is a Friedman number, since it can be written as 50^2+5, using all its digits and the basic arithmetic operations.
It is an amenable number.
2505 is a wasteful number, since it uses less digits than its factorization.
2505 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 175.
The square root of 2505 is about 50.0499750250. The cubic root of 2505 is about 13.5811301164.
The spelling of 2505 in words is "two thousand, five hundred five".