259495 has 4 divisors (see below), whose sum is σ = 311400. Its totient is φ = 207592.

The previous prime is 259459. The next prime is 259499. The reversal of 259495 is 594952.

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 259495 - 2⁹ = 258983 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 259495.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (259499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25945 + ... + 25954.

It is an arithmetic number, because the mean of its divisors is an integer number (77850).

2²⁵⁹⁴⁹⁵ is an apocalyptic number.

259495 is a deficient number, since it is larger than the sum of its proper divisors (51905).

259495 is an equidigital number, since it uses as much as digits as its factorization.

259495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51904.

The product of its digits is 16200, while the sum is 34.

The square root of 259495 is about 509.4065174298. The cubic root of 259495 is about 63.7836935820.

The spelling of 259495 in words is "two hundred fifty-nine thousand, four hundred ninety-five".