Adding to 51041 its reverse (14015), we get a palindrome (65056).
51041 is digitally balanced in base 2, 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, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14015 = 5 ⋅2803.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-51041 is a prime.
It is a Duffinian number.
It is a nialpdrome in base 16.
251041 is an apocalyptic number.
It is an amenable number.
51041 is a wasteful number, since it uses less digits than its factorization.
51041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1230.
The square root of 51041 is about 225.9225531017. The cubic root of 51041 is about 37.0942326531.
The spelling of 51041 in words is "fifty-one thousand, forty-one".