259606 has 4 divisors (see below), whose sum is σ = 389412. Its totient is φ = 129802.

The previous prime is 259603. The next prime is 259619. The reversal of 259606 is 606952.

259606 is nontrivially palindromic in base 13.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (259603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64900 + ... + 64903.

It is an arithmetic number, because the mean of its divisors is an integer number (97353).

2²⁵⁹⁶⁰⁶ is an apocalyptic number.

259606 is a deficient number, since it is larger than the sum of its proper divisors (129806).

259606 is a wasteful number, since it uses less digits than its factorization.

259606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129805.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 259606 is about 509.5154560953. The cubic root of 259606 is about 63.7927868602.

The spelling of 259606 in words is "two hundred fifty-nine thousand, six hundred six".