Subtracting from 251151 its reverse (151152), we obtain a palindrome (99999).
251151 is digitally balanced in base 7, 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.
It is a cyclic number.
It is a D-number.
251151 is strictly pandigital in base 7.
It is a zygodrome in base 4.
It is a self number, because there is not a number n which added to its sum of digits gives 251151.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 251151.
2251151 is an apocalyptic number.
251151 is an equidigital number, since it uses as much as digits as its factorization.
251151 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 83720.
The square root of 251151 is about 501.1496782399. The cubic root of 251151 is about 63.0925824466.
The spelling of 251151 in words is "two hundred fifty-one thousand, one hundred fifty-one".