259385 has 8 divisors (see below), whose sum is σ = 355776. Its totient is φ = 177840.

The previous prime is 259381. The next prime is 259387. The reversal of 259385 is 583952.

It is a happy number.

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

It is not a de Polignac number, because 259385 - 2² = 259381 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (259381) 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, 3671 + ... + 3740.

It is an arithmetic number, because the mean of its divisors is an integer number (44472).

2²⁵⁹³⁸⁵ is an apocalyptic number.

It is an amenable number.

259385 is a deficient number, since it is larger than the sum of its proper divisors (96391).

259385 is an equidigital number, since it uses as much as digits as its factorization.

259385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7423.

The product of its digits is 10800, while the sum is 32.

The square root of 259385 is about 509.2985372058. The cubic root of 259385 is about 63.7746796666.

The spelling of 259385 in words is "two hundred fifty-nine thousand, three hundred eighty-five".