Adding to 2451 its reverse (1542), we get a palindrome (3993).
Subtracting from 2451 its reverse (1542), we obtain a palindrome (909).
2451 is nontrivially palindromic in base 7.
2451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
2451 is an esthetic number in base 7, because in such base its adjacent digits differ by 1.
It is a sphenic number, since it is the product of 3 distinct primes.
It is the 50-th Hogben number.
It is a Duffinian number.
2451 is an undulating number in base 7.
It is a plaindrome in base 13.
It is a nialpdrome in base 14 and base 16.
2451 is a wasteful number, since it uses less digits than its factorization.
2451 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 65.
The square root of 2451 is about 49.5075751779. The cubic root of 2451 is about 13.4828313987.
The spelling of 2451 in words is "two thousand, four hundred fifty-one".