261772 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
261772 is an admirable number.
2261772 is an apocalyptic number.
It is an amenable number.
261772 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
261772 is a wasteful number, since it uses less digits than its factorization.
261772 is an evil number, because the sum of its binary digits is even.
The square root of 261772 is about 511.6365897783. The cubic root of 261772 is about 63.9697122312.
The spelling of 261772 in words is "two hundred sixty-one thousand, seven hundred seventy-two".