275293 has 4 divisors (see below), whose sum is σ = 279868. Its totient is φ = 270720.

The previous prime is 275269. The next prime is 275299. The reversal of 275293 is 392572.

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 2809 + 272484 = 53^2 + 522^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-275293 is a prime.

275293 is a lucky number.

It is a congruent number.

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, 2196 + ... + 2317.

It is an arithmetic number, because the mean of its divisors is an integer number (69967).

2²⁷⁵²⁹³ is an apocalyptic number.

It is an amenable number.

275293 is a deficient number, since it is larger than the sum of its proper divisors (4575).

275293 is an equidigital number, since it uses as much as digits as its factorization.

275293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4574.

The product of its digits is 3780, while the sum is 28.

The square root of 275293 is about 524.6837142508. The cubic root of 275293 is about 65.0526594962.

The spelling of 275293 in words is "two hundred seventy-five thousand, two hundred ninety-three".