275090 has 8 divisors (see below), whose sum is σ = 495180. Its totient is φ = 110032.

The previous prime is 275087. The next prime is 275129. The reversal of 275090 is 90572.

It can be written as a sum of positive squares in 2 ways, for example, as 243049 + 32041 = 493^2 + 179^2 .

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

It is a Curzon number.

It is an unprimeable 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 3 ways as a sum of consecutive naturals, for example, 13745 + ... + 13764.

2²⁷⁵⁰⁹⁰ is an apocalyptic number.

275090 is a deficient number, since it is larger than the sum of its proper divisors (220090).

275090 is a wasteful number, since it uses less digits than its factorization.

275090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27516.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 275090 is about 524.4902286983. The cubic root of 275090 is about 65.0366657040.

The spelling of 275090 in words is "two hundred seventy-five thousand, ninety".