195559 has 12 divisors (see below), whose sum is σ = 245784. Its totient is φ = 154224.

The previous prime is 195541. The next prime is 195581. The reversal of 195559 is 955591.

It is not a de Polignac number, because 195559 - 2⁵ = 195527 is a prime.

195559 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195539) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 484 + ... + 790.

It is an arithmetic number, because the mean of its divisors is an integer number (20482).

2¹⁹⁵⁵⁵⁹ is an apocalyptic number.

195559 is a deficient number, since it is larger than the sum of its proper divisors (50225).

195559 is a wasteful number, since it uses less digits than its factorization.

195559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334 (or 327 counting only the distinct ones).

The product of its digits is 10125, while the sum is 34.

The square root of 195559 is about 442.2205332184. The cubic root of 195559 is about 58.0442587273.

The spelling of 195559 in words is "one hundred ninety-five thousand, five hundred fifty-nine".