275089 has 4 divisors (see below), whose sum is σ = 276480. Its totient is φ = 273700.

The previous prime is 275087. The next prime is 275129. The reversal of 275089 is 980572.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 275089 - 2¹ = 275087 is a prime.

It is a Duffinian number.

275089 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 275089.

It is not an unprimeable number, because it can be changed into a prime (275083) 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 3 ways as a sum of consecutive naturals, for example, 337 + ... + 814.

It is an arithmetic number, because the mean of its divisors is an integer number (69120).

2²⁷⁵⁰⁸⁹ is an apocalyptic number.

It is an amenable number.

275089 is a deficient number, since it is larger than the sum of its proper divisors (1391).

275089 is a wasteful number, since it uses less digits than its factorization.

275089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1390.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 275089 is about 524.4892753908. The cubic root of 275089 is about 65.0365868973.

The spelling of 275089 in words is "two hundred seventy-five thousand, eighty-nine".