259655 has 8 divisors (see below), whose sum is σ = 339984. Its totient is φ = 188800.

The previous prime is 259643. The next prime is 259657. The reversal of 259655 is 556952.

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

It is not a de Polignac number, because 259655 - 2⁴ = 259639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (259657) 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, 2306 + ... + 2415.

It is an arithmetic number, because the mean of its divisors is an integer number (42498).

2²⁵⁹⁶⁵⁵ is an apocalyptic number.

259655 is a deficient number, since it is larger than the sum of its proper divisors (80329).

259655 is a wasteful number, since it uses less digits than its factorization.

259655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4737.

The product of its digits is 13500, while the sum is 32.

The square root of 259655 is about 509.5635387270. The cubic root of 259655 is about 63.7968001854.

The spelling of 259655 in words is "two hundred fifty-nine thousand, six hundred fifty-five".