195000259 has 2 divisors, whose sum is σ = 195000260. Its totient is φ = 195000258.

The previous prime is 195000241. The next prime is 195000269. The reversal of 195000259 is 952000591.

It is a strong prime.

It is an emirp because it is prime and its reverse (952000591) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 195000259 - 2⁷ = 195000131 is a prime.

195000259 is a modest number, since divided by 259 gives 195 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 195000259.

It is not a weakly prime, because it can be changed into another prime (195000269) 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, 97500129 + 97500130.

It is an arithmetic number, because the mean of its divisors is an integer number (97500130).

Almost surely, 2^195000259 is an apocalyptic number.

195000259 is a deficient number, since it is larger than the sum of its proper divisors (1).

195000259 is an equidigital number, since it uses as much as digits as its factorization.

195000259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4050, while the sum is 31.

The square root of 195000259 is about 13964.2493174535. The cubic root of 195000259 is about 579.8892565020.

The spelling of 195000259 in words is "one hundred ninety-five million, two hundred fifty-nine", and thus it is an aban number.