275290 has 8 divisors (see below), whose sum is σ = 495540. Its totient is φ = 110112.

The previous prime is 275269. The next prime is 275299. The reversal of 275290 is 92572.

It can be written as a sum of positive squares in 2 ways, for example, as 269361 + 5929 = 519^2 + 77^2 .

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

It is a plaindrome in base 12.

It is a zygodrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (275299) 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, 13755 + ... + 13774.

2²⁷⁵²⁹⁰ is an apocalyptic number.

275290 is a deficient number, since it is larger than the sum of its proper divisors (220250).

275290 is a wasteful number, since it uses less digits than its factorization.

275290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27536.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 275290 is about 524.6808553778. The cubic root of 275290 is about 65.0524231920.

It can be divided in two parts, 275 and 290, that added together give a palindrome (565).

The spelling of 275290 in words is "two hundred seventy-five thousand, two hundred ninety".