Subtracting from 15750 its reverse (5751), we obtain a palindrome (9999).
It is a happy number.
15750 is nontrivially palindromic in base 13.
It is a congruent number.
It is an unprimeable number.
215750 is an apocalyptic number.
15750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 15750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24336).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15750 is a wasteful number, since it uses less digits than its factorization.
15750 is an evil number, because the sum of its binary digits is even.
The square root of 15750 is about 125.4990039801. The cubic root of 15750 is about 25.0664896748.
The spelling of 15750 in words is "fifteen thousand, seven hundred fifty".