275803 has 4 divisors (see below), whose sum is σ = 300888. Its totient is φ = 250720.

The previous prime is 275783. The next prime is 275813. The reversal of 275803 is 308572.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 275803 - 2¹³ = 267611 is a prime.

It is a Duffinian number.

275803 is a lucky number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (275813) 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, 12526 + ... + 12547.

It is an arithmetic number, because the mean of its divisors is an integer number (75222).

2²⁷⁵⁸⁰³ is an apocalyptic number.

275803 is a deficient number, since it is larger than the sum of its proper divisors (25085).

275803 is a wasteful number, since it uses less digits than its factorization.

275803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25084.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 275803 is about 525.1694964485. The cubic root of 275803 is about 65.0928062852.

The spelling of 275803 in words is "two hundred seventy-five thousand, eight hundred three".