259133891 has 2 divisors, whose sum is σ = 259133892. Its totient is φ = 259133890.

The previous prime is 259133863. The next prime is 259133923. The reversal of 259133891 is 198331952.

259133891 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-259133891 is a prime.

It is not a weakly prime, because it can be changed into another prime (259132891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129566945 + 129566946.

It is an arithmetic number, because the mean of its divisors is an integer number (129566946).

Almost surely, 2^259133891 is an apocalyptic number.

259133891 is a deficient number, since it is larger than the sum of its proper divisors (1).

259133891 is an equidigital number, since it uses as much as digits as its factorization.

259133891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58320, while the sum is 41.

The square root of 259133891 is about 16097.6361929322. The cubic root of 259133891 is about 637.5409306541.

The spelling of 259133891 in words is "two hundred fifty-nine million, one hundred thirty-three thousand, eight hundred ninety-one".