259005839 has 2 divisors, whose sum is σ = 259005840. Its totient is φ = 259005838.

The previous prime is 259005827. The next prime is 259005871. The reversal of 259005839 is 938500952.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 259005839 - 2⁴ = 259005823 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 259005796 and 259005805.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (259005889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129502919 + 129502920.

It is an arithmetic number, because the mean of its divisors is an integer number (129502920).

Almost surely, 2^259005839 is an apocalyptic number.

259005839 is a deficient number, since it is larger than the sum of its proper divisors (1).

259005839 is an equidigital number, since it uses as much as digits as its factorization.

259005839 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97200, while the sum is 41.

The square root of 259005839 is about 16093.6583473118. The cubic root of 259005839 is about 637.4358989245.

The spelling of 259005839 in words is "two hundred fifty-nine million, five thousand, eight hundred thirty-nine".