1304000279 has 2 divisors, whose sum is σ = 1304000280. Its totient is φ = 1304000278.

The previous prime is 1304000263. The next prime is 1304000281. The reversal of 1304000279 is 9720004031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1304000279 - 2⁴ = 1304000263 is a prime.

Together with 1304000281, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1304000219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652000139 + 652000140.

It is an arithmetic number, because the mean of its divisors is an integer number (652000140).

Almost surely, 2^1304000279 is an apocalyptic number.

1304000279 is a deficient number, since it is larger than the sum of its proper divisors (1).

1304000279 is an equidigital number, since it uses as much as digits as its factorization.

1304000279 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 26.

The square root of 1304000279 is about 36110.9440336306. The cubic root of 1304000279 is about 1092.5111921731.

The spelling of 1304000279 in words is "one billion, three hundred four million, two hundred seventy-nine", and thus it is an aban number.