It is an ABA number since it can be written as A⋅BA, here for A=5, B=4.
It is a nialpdrome in base 4.
It is a zygodrome in base 4.
It is a congruent number.
It is an unprimeable number.
In principle, a polygon with 5120 sides can be constructed with ruler and compass.
5120 is a Friedman number, since it can be written as 5*2^10, using all its digits and the basic arithmetic operations.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 5120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6141).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
5120 is an equidigital number, since it uses as much as digits as its factorization.
5120 is an evil number, because the sum of its binary digits is even.
The square root of 5120 is about 71.5541752800. The cubic root of 5120 is about 17.2354775203.
5120 divided by its product of nonzero digits (10) gives a 9-th power (512 = 29).
Adding to 5120 its reverse (215), we get a palindrome (5335).
The spelling of 5120 in words is "five thousand, one hundred twenty".