The square root of 275625 is 525.
It is a tau number, because it is divible by the number of its divisors (45).
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 275625.
275625 is a Friedman number, since it can be written as (7*(65+5*2))^2, using all its digits and the basic arithmetic operations.
2275625 is an apocalyptic number.
275625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
275625 is the 525-th square number.
275625 is the 263-rd centered octagonal number.
It is an amenable number.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
275625 is an equidigital number, since it uses as much as digits as its factorization.
275625 is an evil number, because the sum of its binary digits is even.
The cubic root of 275625 is about 65.0787998953.
Multiplying 275625 by its product of digits (4200), we get a cube (1157625000 = 10503).
The spelling of 275625 in words is "two hundred seventy-five thousand, six hundred twenty-five".