275189 has 4 divisors (see below), whose sum is σ = 278124. Its totient is φ = 272256.

The previous prime is 275183. The next prime is 275201. The reversal of 275189 is 981572.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 54289 + 220900 = 233^2 + 470^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-275189 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1322 + ... + 1515.

It is an arithmetic number, because the mean of its divisors is an integer number (69531).

2²⁷⁵¹⁸⁹ is an apocalyptic number.

It is an amenable number.

275189 is a deficient number, since it is larger than the sum of its proper divisors (2935).

275189 is an equidigital number, since it uses as much as digits as its factorization.

275189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2934.

The product of its digits is 5040, while the sum is 32.

The square root of 275189 is about 524.5845975627. The cubic root of 275189 is about 65.0444666148.

It can be divided in two parts, 275 and 189, that added together give a palindrome (464).

The spelling of 275189 in words is "two hundred seventy-five thousand, one hundred eighty-nine".