259493 has 4 divisors (see below), whose sum is σ = 279468. Its totient is φ = 239520.

The previous prime is 259459. The next prime is 259499. The reversal of 259493 is 394952.

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

It can be written as a sum of positive squares in 2 ways, for example, as 145924 + 113569 = 382^2 + 337^2 .

It is a cyclic number.

It is not a de Polignac number, because 259493 - 2⁶ = 259429 is a prime.

It is a Duffinian number.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (259499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9968 + ... + 9993.

It is an arithmetic number, because the mean of its divisors is an integer number (69867).

2²⁵⁹⁴⁹³ is an apocalyptic number.

It is an amenable number.

259493 is a deficient number, since it is larger than the sum of its proper divisors (19975).

259493 is a wasteful number, since it uses less digits than its factorization.

259493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19974.

The product of its digits is 9720, while the sum is 32.

The square root of 259493 is about 509.4045543573. The cubic root of 259493 is about 63.7835297153.

It can be divided in two parts, 25949 and 3, that added together give a palindrome (25952).

The spelling of 259493 in words is "two hundred fifty-nine thousand, four hundred ninety-three".