275903 has 4 divisors (see below), whose sum is σ = 280488. Its totient is φ = 271320.

The previous prime is 275897. The next prime is 275911. The reversal of 275903 is 309572.

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 275903 - 2¹² = 271807 is a prime.

It is a super-2 number, since 2×275903² = 152244930818, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275923) 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, 2201 + ... + 2322.

It is an arithmetic number, because the mean of its divisors is an integer number (70122).

2²⁷⁵⁹⁰³ is an apocalyptic number.

275903 is a deficient number, since it is larger than the sum of its proper divisors (4585).

275903 is an equidigital number, since it uses as much as digits as its factorization.

275903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4584.

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 275903 is about 525.2646951776. The cubic root of 275903 is about 65.1006723998.

The spelling of 275903 in words is "two hundred seventy-five thousand, nine hundred three".