259596891 has 24 divisors (see below), whose sum is σ = 388056240. Its totient is φ = 167118336.

The previous prime is 259596881. The next prime is 259596917. The reversal of 259596891 is 198695952.

It is not a de Polignac number, because 259596891 - 2¹⁰ = 259595867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (259596881) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30675 + ... + 38211.

It is an arithmetic number, because the mean of its divisors is an integer number (16169010).

Almost surely, 2^259596891 is an apocalyptic number.

259596891 is a deficient number, since it is larger than the sum of its proper divisors (128459349).

259596891 is a wasteful number, since it uses less digits than its factorization.

259596891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7675 (or 7672 counting only the distinct ones).

The product of its digits is 1749600, while the sum is 54.

The square root of 259596891 is about 16112.0107683678. The cubic root of 259596891 is about 637.9204073559.

The spelling of 259596891 in words is "two hundred fifty-nine million, five hundred ninety-six thousand, eight hundred ninety-one".