259338979 has 2 divisors, whose sum is σ = 259338980. Its totient is φ = 259338978.

The previous prime is 259338941. The next prime is 259338991. The reversal of 259338979 is 979833952.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 259338979 - 2¹³ = 259330787 is a prime.

It is not a weakly prime, because it can be changed into another prime (259318979) 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, 129669489 + 129669490.

It is an arithmetic number, because the mean of its divisors is an integer number (129669490).

Almost surely, 2^259338979 is an apocalyptic number.

259338979 is a deficient number, since it is larger than the sum of its proper divisors (1).

259338979 is an equidigital number, since it uses as much as digits as its factorization.

259338979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3674160, while the sum is 55.

The square root of 259338979 is about 16104.0050608537. The cubic root of 259338979 is about 637.7090773408.

The spelling of 259338979 in words is "two hundred fifty-nine million, three hundred thirty-eight thousand, nine hundred seventy-nine".