259535 has 4 divisors (see below), whose sum is σ = 311448. Its totient is φ = 207624.

The previous prime is 259531. The next prime is 259537. The reversal of 259535 is 535952.

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 259535 - 2² = 259531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 259498 and 259507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (259531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25949 + ... + 25958.

It is an arithmetic number, because the mean of its divisors is an integer number (77862).

2²⁵⁹⁵³⁵ is an apocalyptic number.

259535 is a deficient number, since it is larger than the sum of its proper divisors (51913).

259535 is an equidigital number, since it uses as much as digits as its factorization.

259535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51912.

The product of its digits is 6750, while the sum is 29.

The square root of 259535 is about 509.4457772914. The cubic root of 259535 is about 63.7869707378.

The spelling of 259535 in words is "two hundred fifty-nine thousand, five hundred thirty-five".