2558 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
2558 is strictly pandigital in base 5.
It is a plaindrome in base 10.
It is a congruent number.
It is an upside-down number.
2558 is a wasteful number, since it uses less digits than its factorization.
2558 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1281.
The square root of 2558 is about 50.5766744656. The cubic root of 2558 is about 13.6762441954.
The spelling of 2558 in words is "two thousand, five hundred fifty-eight".