259975 has 6 divisors (see below), whose sum is σ = 322400. Its totient is φ = 207960.

The previous prime is 259967. The next prime is 259991. The reversal of 259975 is 579952.

It is not a de Polignac number, because 259975 - 2³ = 259967 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 5 ways as a sum of consecutive naturals, for example, 5175 + ... + 5224.

2²⁵⁹⁹⁷⁵ is an apocalyptic number.

259975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

259975 is a deficient number, since it is larger than the sum of its proper divisors (62425).

259975 is a wasteful number, since it uses less digits than its factorization.

259975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10409 (or 10404 counting only the distinct ones).

The product of its digits is 28350, while the sum is 37.

The square root of 259975 is about 509.8774362531. The cubic root of 259975 is about 63.8229972486.

It can be divided in two parts, 25 and 9975, that added together give a 4-th power (10000 = 10⁴).

The spelling of 259975 in words is "two hundred fifty-nine thousand, nine hundred seventy-five".