275530 has 16 divisors (see below), whose sum is σ = 505440. Its totient is φ = 108112.

The previous prime is 275521. The next prime is 275531. The reversal of 275530 is 35572.

275530 is nontrivially palindromic in base 9.

It is not an unprimeable number, because it can be changed into a prime (275531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 357 + ... + 823.

It is an arithmetic number, because the mean of its divisors is an integer number (31590).

2²⁷⁵⁵³⁰ is an apocalyptic number.

275530 is a deficient number, since it is larger than the sum of its proper divisors (229910).

275530 is a wasteful number, since it uses less digits than its factorization.

275530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533.

The product of its (nonzero) digits is 1050, while the sum is 22.

The square root of 275530 is about 524.9095160120. The cubic root of 275530 is about 65.0713221067.

The spelling of 275530 in words is "two hundred seventy-five thousand, five hundred thirty".