259435 has 16 divisors (see below), whose sum is σ = 349920. Its totient is φ = 183040.

The previous prime is 259429. The next prime is 259451. The reversal of 259435 is 534952.

It is a de Polignac number, because none of the positive numbers 2^k-259435 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2871 + ... + 2959.

It is an arithmetic number, because the mean of its divisors is an integer number (21870).

2²⁵⁹⁴³⁵ is an apocalyptic number.

259435 is a deficient number, since it is larger than the sum of its proper divisors (90485).

259435 is a wasteful number, since it uses less digits than its factorization.

259435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158.

The product of its digits is 5400, while the sum is 28.

The square root of 259435 is about 509.3476219636. The cubic root of 259435 is about 63.7787772167.

The spelling of 259435 in words is "two hundred fifty-nine thousand, four hundred thirty-five".