299005279 has 2 divisors, whose sum is σ = 299005280. Its totient is φ = 299005278.

The previous prime is 299005243. The next prime is 299005309. The reversal of 299005279 is 972500992.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 299005279 - 2¹³ = 298997087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (299005229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149502639 + 149502640.

It is an arithmetic number, because the mean of its divisors is an integer number (149502640).

Almost surely, 2^299005279 is an apocalyptic number.

299005279 is a deficient number, since it is larger than the sum of its proper divisors (1).

299005279 is an equidigital number, since it uses as much as digits as its factorization.

299005279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 102060, while the sum is 43.

The square root of 299005279 is about 17291.7691113431. The cubic root of 299005279 is about 668.6922430219.

The spelling of 299005279 in words is "two hundred ninety-nine million, five thousand, two hundred seventy-nine".