259959528197 has 2 divisors, whose sum is σ = 259959528198. Its totient is φ = 259959528196.

The previous prime is 259959528173. The next prime is 259959528211. The reversal of 259959528197 is 791825959952.

259959528197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 254985611521 + 4973916676 = 504961^2 + 70526^2 .

It is a cyclic number.

It is not a de Polignac number, because 259959528197 - 2¹² = 259959524101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 259959528197.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (259959528137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129979764098 + 129979764099.

It is an arithmetic number, because the mean of its divisors is an integer number (129979764099).

Almost surely, 2^259959528197 is an apocalyptic number.

It is an amenable number.

259959528197 is a deficient number, since it is larger than the sum of its proper divisors (1).

259959528197 is an equidigital number, since it uses as much as digits as its factorization.

259959528197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 183708000, while the sum is 71.

The spelling of 259959528197 in words is "two hundred fifty-nine billion, nine hundred fifty-nine million, five hundred twenty-eight thousand, one hundred ninety-seven".