259983379 has 2 divisors, whose sum is σ = 259983380. Its totient is φ = 259983378.

The previous prime is 259983343. The next prime is 259983401. The reversal of 259983379 is 973389952.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 259983379 - 2¹¹ = 259981331 is a prime.

It is not a weakly prime, because it can be changed into another prime (259983319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129991689 + 129991690.

It is an arithmetic number, because the mean of its divisors is an integer number (129991690).

Almost surely, 2^259983379 is an apocalyptic number.

259983379 is a deficient number, since it is larger than the sum of its proper divisors (1).

259983379 is an equidigital number, since it uses as much as digits as its factorization.

259983379 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 259983379 is about 16124.0000930290. Note that the first 4 decimals coincide. The cubic root of 259983379 is about 638.2368291341.

The spelling of 259983379 in words is "two hundred fifty-nine million, nine hundred eighty-three thousand, three hundred seventy-nine".