279598049 has 2 divisors, whose sum is σ = 279598050. Its totient is φ = 279598048.

The previous prime is 279598009. The next prime is 279598061. The reversal of 279598049 is 940895972.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 263477824 + 16120225 = 16232^2 + 4015^2 .

It is a cyclic number.

It is not a de Polignac number, because 279598049 - 2²⁰ = 278549473 is a prime.

It is not a weakly prime, because it can be changed into another prime (279598009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139799024 + 139799025.

It is an arithmetic number, because the mean of its divisors is an integer number (139799025).

Almost surely, 2^279598049 is an apocalyptic number.

It is an amenable number.

279598049 is a deficient number, since it is larger than the sum of its proper divisors (1).

279598049 is an equidigital number, since it uses as much as digits as its factorization.

279598049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1632960, while the sum is 53.

The square root of 279598049 is about 16721.1856338000. The cubic root of 279598049 is about 653.9000625068.

The spelling of 279598049 in words is "two hundred seventy-nine million, five hundred ninety-eight thousand, forty-nine".