279163 has 4 divisors (see below), whose sum is σ = 281880. Its totient is φ = 276448.

The previous prime is 279143. The next prime is 279173. The reversal of 279163 is 361972.

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 279163 - 2⁵ = 279131 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12 and base 15.

It is not an unprimeable number, because it can be changed into a prime (279143) 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, 1198 + ... + 1411.

It is an arithmetic number, because the mean of its divisors is an integer number (70470).

2²⁷⁹¹⁶³ is an apocalyptic number.

279163 is a deficient number, since it is larger than the sum of its proper divisors (2717).

279163 is a wasteful number, since it uses less digits than its factorization.

279163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2716.

The product of its digits is 2268, while the sum is 28.

The square root of 279163 is about 528.3587796185. The cubic root of 279163 is about 65.3560734622.

The spelling of 279163 in words is "two hundred seventy-nine thousand, one hundred sixty-three".