259648 has 14 divisors (see below), whose sum is σ = 515366. Its totient is φ = 129792.

The previous prime is 259643. The next prime is 259657. The reversal of 259648 is 846952.

It is a happy number.

259648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 222784 + 36864 = 472^2 + 192^2 .

It is a nialpdrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (259643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1965 + ... + 2092.

259648 is a Friedman number, since it can be written as 4^9-52*8*6, using all its digits and the basic arithmetic operations.

2²⁵⁹⁶⁴⁸ is an apocalyptic number.

It is an amenable number.

259648 is a deficient number, since it is larger than the sum of its proper divisors (255718).

259648 is an equidigital number, since it uses as much as digits as its factorization.

259648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4069 (or 4059 counting only the distinct ones).

The product of its digits is 17280, while the sum is 34.

The square root of 259648 is about 509.5566700574. The cubic root of 259648 is about 63.7962268842.

The spelling of 259648 in words is "two hundred fifty-nine thousand, six hundred forty-eight".