279113 has 4 divisors (see below), whose sum is σ = 285648. Its totient is φ = 272580.

The previous prime is 279109. The next prime is 279119. The reversal of 279113 is 311972.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 279113 - 2² = 279109 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (279119) 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, 3203 + ... + 3288.

It is an arithmetic number, because the mean of its divisors is an integer number (71412).

2²⁷⁹¹¹³ is an apocalyptic number.

It is an amenable number.

279113 is a deficient number, since it is larger than the sum of its proper divisors (6535).

279113 is an equidigital number, since it uses as much as digits as its factorization.

279113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6534.

The product of its digits is 378, while the sum is 23.

The square root of 279113 is about 528.3114611666. The cubic root of 279113 is about 65.3521713229.

It can be divided in two parts, 27 and 9113, that multiplied together give a triangular number (246051 = T₇₀₁).

The spelling of 279113 in words is "two hundred seventy-nine thousand, one hundred thirteen".