279119 has 2 divisors, whose sum is σ = 279120. Its totient is φ = 279118.

The previous prime is 279109. The next prime is 279121. The reversal of 279119 is 911972.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-279119 is a prime.

It is a super-2 number, since 2×279119² = 155814832322, which contains 22 as substring.

Together with 279121, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 279091 and 279100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (279109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139559 + 139560.

It is an arithmetic number, because the mean of its divisors is an integer number (139560).

2²⁷⁹¹¹⁹ is an apocalyptic number.

279119 is a deficient number, since it is larger than the sum of its proper divisors (1).

279119 is an equidigital number, since it uses as much as digits as its factorization.

279119 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1134, while the sum is 29.

The square root of 279119 is about 528.3171396046. The cubic root of 279119 is about 65.3526396042.

The spelling of 279119 in words is "two hundred seventy-nine thousand, one hundred nineteen".