304279 has 2 divisors, whose sum is σ = 304280. Its totient is φ = 304278.

The previous prime is 304259. The next prime is 304301. The reversal of 304279 is 972403.

It is a weak prime.

It is an emirp because it is prime and its reverse (972403) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 304279 - 2⁷ = 304151 is a prime.

304279 is a lucky number.

It is a plaindrome in base 8.

It is a nialpdrome in base 13.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (304259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152139 + 152140.

It is an arithmetic number, because the mean of its divisors is an integer number (152140).

2³⁰⁴²⁷⁹ is an apocalyptic number.

304279 is a deficient number, since it is larger than the sum of its proper divisors (1).

304279 is an equidigital number, since it uses as much as digits as its factorization.

304279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 304279 is about 551.6149019017. The cubic root of 304279 is about 67.2600718275.

The spelling of 304279 in words is "three hundred four thousand, two hundred seventy-nine".