275112 has 24 divisors (see below), whose sum is σ = 745290. Its totient is φ = 91680.

The previous prime is 275087. The next prime is 275129. The reversal of 275112 is 211572.

It can be written as a sum of positive squares in only one way, i.e., 181476 + 93636 = 426^2 + 306^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×275112² = 151373225088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a plaindrome in base 15.

It is an unprimeable number.

275112 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 5 ways as a sum of consecutive naturals, for example, 1839 + ... + 1982.

2²⁷⁵¹¹² is an apocalyptic number.

It is an amenable number.

275112 is an abundant number, since it is smaller than the sum of its proper divisors (470178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

275112 is a wasteful number, since it uses less digits than its factorization.

275112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3833 (or 3826 counting only the distinct ones).

The product of its digits is 140, while the sum is 18.

The square root of 275112 is about 524.5112010243. The cubic root of 275112 is about 65.0383994014.

Adding to 275112 its reverse (211572), we get a palindrome (486684).

The spelling of 275112 in words is "two hundred seventy-five thousand, one hundred twelve".