Subtracting from 25984 its product of digits (2880), we obtain a square (23104 = 1522).
It is a happy number.
25984 is an esthetic number in base 13, because in such base its adjacent digits differ by 1.
It is a tau number, because it is divible by the number of its divisors (32).
It is a congruent number.
225984 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 25984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25984 is an equidigital number, since it uses as much as digits as its factorization.
25984 is an odious number, because the sum of its binary digits is odd.
The square root of 25984 is about 161.1955334369. The cubic root of 25984 is about 29.6188825221.
The spelling of 25984 in words is "twenty-five thousand, nine hundred eighty-four".