259378 has 16 divisors (see below), whose sum is σ = 451584. Its totient is φ = 109440.

The previous prime is 259339. The next prime is 259379. The reversal of 259378 is 873952.

It is not an unprimeable number, because it can be changed into a prime (259379) by changing a digit.

259378 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 1263 + ... + 1453.

It is an arithmetic number, because the mean of its divisors is an integer number (28224).

2²⁵⁹³⁷⁸ is an apocalyptic number.

259378 is a deficient number, since it is larger than the sum of its proper divisors (192206).

259378 is a wasteful number, since it uses less digits than its factorization.

259378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297.

The product of its digits is 15120, while the sum is 34.

The square root of 259378 is about 509.2916649622. The cubic root of 259378 is about 63.7741059675.

The spelling of 259378 in words is "two hundred fifty-nine thousand, three hundred seventy-eight".