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 a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is a Duffinian number.
It is a congruent number.
247261 is an apocalyptic number.
It is an amenable number.
47261 is a wasteful number, since it uses less digits than its factorization.
47261 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 450.
The square root of 47261 is about 217.3959521242. The cubic root of 47261 is about 36.1549392016.
The spelling of 47261 in words is "forty-seven thousand, two hundred sixty-one".