259995 has 8 divisors (see below), whose sum is σ = 416016. Its totient is φ = 138656.

The previous prime is 259993. The next prime is 260003. The reversal of 259995 is 599952.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 259995 - 2¹ = 259993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (259991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8652 + ... + 8681.

It is an arithmetic number, because the mean of its divisors is an integer number (52002).

2²⁵⁹⁹⁹⁵ is an apocalyptic number.

259995 is a deficient number, since it is larger than the sum of its proper divisors (156021).

259995 is a wasteful number, since it uses less digits than its factorization.

259995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17341.

The product of its digits is 36450, while the sum is 39.

The square root of 259995 is about 509.8970484323. The cubic root of 259995 is about 63.8246338511.

The spelling of 259995 in words is "two hundred fifty-nine thousand, nine hundred ninety-five".