275091 has 8 divisors (see below), whose sum is σ = 374784. Its totient is φ = 179400.

The previous prime is 275087. The next prime is 275129. The reversal of 275091 is 190572.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 275091 - 2² = 275087 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (275491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 835 + ... + 1116.

It is an arithmetic number, because the mean of its divisors is an integer number (46848).

2²⁷⁵⁰⁹¹ is an apocalyptic number.

275091 is a deficient number, since it is larger than the sum of its proper divisors (99693).

275091 is a wasteful number, since it uses less digits than its factorization.

275091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001.

The product of its (nonzero) digits is 630, while the sum is 24.

The square root of 275091 is about 524.4911820040. The cubic root of 275091 is about 65.0367445104.

The spelling of 275091 in words is "two hundred seventy-five thousand, ninety-one".