259538 has 4 divisors (see below), whose sum is σ = 389310. Its totient is φ = 129768.

The previous prime is 259537. The next prime is 259547. The reversal of 259538 is 835952.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 139129 + 120409 = 373^2 + 347^2 .

It is a d-powerful number, because it can be written as 2¹² + 5² + 5⁷ + 9² + 3¹¹ + 8² .

It is not an unprimeable number, because it can be changed into a prime (259531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64883 + ... + 64886.

2²⁵⁹⁵³⁸ is an apocalyptic number.

259538 is a deficient number, since it is larger than the sum of its proper divisors (129772).

259538 is a wasteful number, since it uses less digits than its factorization.

259538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129771.

The product of its digits is 10800, while the sum is 32.

The square root of 259538 is about 509.4487216590. The cubic root of 259538 is about 63.7872165109.

It can be divided in two parts, 259 and 538, that added together give a palindrome (797).

The spelling of 259538 in words is "two hundred fifty-nine thousand, five hundred thirty-eight".