259059859 has 2 divisors, whose sum is σ = 259059860. Its totient is φ = 259059858.

The previous prime is 259059803. The next prime is 259059883. The reversal of 259059859 is 958950952.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-259059859 is a prime.

It is a super-2 number, since 2×259059859² = 134224021090199762, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (259057859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129529929 + 129529930.

It is an arithmetic number, because the mean of its divisors is an integer number (129529930).

Almost surely, 2^259059859 is an apocalyptic number.

259059859 is a deficient number, since it is larger than the sum of its proper divisors (1).

259059859 is an equidigital number, since it uses as much as digits as its factorization.

259059859 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1458000, while the sum is 52.

The square root of 259059859 is about 16095.3365606315. The cubic root of 259059859 is about 637.4802118169.

The spelling of 259059859 in words is "two hundred fifty-nine million, fifty-nine thousand, eight hundred fifty-nine".