259432 has 8 divisors (see below), whose sum is σ = 486450. Its totient is φ = 129712.

The previous prime is 259429. The next prime is 259451. The reversal of 259432 is 234952.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 198916 + 60516 = 446^2 + 246^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 259397 and 259406.

It is an unprimeable 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 as a sum of consecutive naturals, namely, 16207 + ... + 16222.

2²⁵⁹⁴³² is an apocalyptic number.

It is an amenable number.

259432 is a deficient number, since it is larger than the sum of its proper divisors (227018).

259432 is a wasteful number, since it uses less digits than its factorization.

259432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32435 (or 32431 counting only the distinct ones).

The product of its digits is 2160, while the sum is 25.

The square root of 259432 is about 509.3446770115. The cubic root of 259432 is about 63.7785313785.

The spelling of 259432 in words is "two hundred fifty-nine thousand, four hundred thirty-two".