It is an Ulam number.
5208 is an undulating number in base 5.
It is a plaindrome in base 16.
It is a congruent number.
5208 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
25208 is an apocalyptic number.
5208 is the 42-nd octagonal number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 5208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
5208 is a wasteful number, since it uses less digits than its factorization.
5208 is an odious number, because the sum of its binary digits is odd.
The square root of 5208 is about 72.1664742107. The cubic root of 5208 is about 17.3336620582. Note that the first 3 decimals are identical.
The spelling of 5208 in words is "five thousand, two hundred eight".