249359 has 4 divisors (see below), whose sum is σ = 272040. Its totient is φ = 226680.

The previous prime is 249341. The next prime is 249367. The reversal of 249359 is 953942.

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

It is a cyclic number.

It is not a de Polignac number, because 249359 - 2⁸ = 249103 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 249359.

It is not an unprimeable number, because it can be changed into a prime (249329) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 11324 + ... + 11345.

It is an arithmetic number, because the mean of its divisors is an integer number (68010).

2²⁴⁹³⁵⁹ is an apocalyptic number.

249359 is a deficient number, since it is larger than the sum of its proper divisors (22681).

249359 is a wasteful number, since it uses less digits than its factorization.

249359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22680.

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

The square root of 249359 is about 499.3585885914. The cubic root of 249359 is about 62.9421657871.

It can be divided in two parts, 2493 and 59, that added together give a palindrome (2552).

The spelling of 249359 in words is "two hundred forty-nine thousand, three hundred fifty-nine".