259195 has 4 divisors (see below), whose sum is σ = 311040. Its totient is φ = 207352.

The previous prime is 259183. The next prime is 259201. The reversal of 259195 is 591952.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 259195 - 2⁵ = 259163 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

259195 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25915 + ... + 25924.

It is an arithmetic number, because the mean of its divisors is an integer number (77760).

2²⁵⁹¹⁹⁵ is an apocalyptic number.

259195 is a deficient number, since it is larger than the sum of its proper divisors (51845).

259195 is an equidigital number, since it uses as much as digits as its factorization.

259195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51844.

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

The square root of 259195 is about 509.1119719669. Note that the first 3 decimals coincide. The cubic root of 259195 is about 63.7591041720.

It can be divided in two parts, 259 and 195, that multiplied together give a palindrome (50505).

The spelling of 259195 in words is "two hundred fifty-nine thousand, one hundred ninety-five".