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: 16201 = 17 ⋅953.
It is a cyclic number.
It is a Duffinian number.
10261 is a lucky number.
It is a plaindrome in base 11.
It is a zygodrome in base 4.
It is a congruent number.
It is a Poulet number, since it divides 210260-1.
210261 is an apocalyptic number.
It is an amenable number.
10261 is an equidigital number, since it uses as much as digits as its factorization.
10261 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 362.
The square root of 10261 is about 101.2965942172. The cubic root of 10261 is about 21.7301752681.
Adding to 10261 its reverse (16201), we get a palindrome (26462).
The spelling of 10261 in words is "ten thousand, two hundred sixty-one".