259597 has 8 divisors (see below), whose sum is σ = 294560. Its totient is φ = 226800.

The previous prime is 259583. The next prime is 259603. The reversal of 259597 is 795952.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-259597 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 (259507) 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 in 7 ways as a sum of consecutive naturals, for example, 279 + ... + 772.

It is an arithmetic number, because the mean of its divisors is an integer number (36820).

2²⁵⁹⁵⁹⁷ is an apocalyptic number.

It is an amenable number.

259597 is a deficient number, since it is larger than the sum of its proper divisors (34963).

259597 is a wasteful number, since it uses less digits than its factorization.

259597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1083.

The product of its digits is 28350, while the sum is 37.

The square root of 259597 is about 509.5066240983. The cubic root of 259597 is about 63.7920496640.

Subtracting from 259597 its sum of digits (37), we obtain a triangular number (259560 = T₇₂₀).

The spelling of 259597 in words is "two hundred fifty-nine thousand, five hundred ninety-seven".