259983313 has 2 divisors, whose sum is σ = 259983314. Its totient is φ = 259983312.

The previous prime is 259983301. The next prime is 259983319. The reversal of 259983313 is 313389952.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134722449 + 125260864 = 11607^2 + 11192^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-259983313 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 259983313.

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, 129991656 + 129991657.

It is an arithmetic number, because the mean of its divisors is an integer number (129991657).

Almost surely, 2^259983313 is an apocalyptic number.

It is an amenable number.

259983313 is a deficient number, since it is larger than the sum of its proper divisors (1).

259983313 is an equidigital number, since it uses as much as digits as its factorization.

259983313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 174960, while the sum is 43.

The square root of 259983313 is about 16123.9980463904. The cubic root of 259983313 is about 638.2367751260.

The spelling of 259983313 in words is "two hundred fifty-nine million, nine hundred eighty-three thousand, three hundred thirteen".