249283 has 4 divisors (see below), whose sum is σ = 251680. Its totient is φ = 246888.

The previous prime is 249257. The next prime is 249287. The reversal of 249283 is 382942.

249283 is nontrivially palindromic in base 16.

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 249283 - 2¹⁷ = 118211 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (249287) 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, 1035 + ... + 1252.

It is an arithmetic number, because the mean of its divisors is an integer number (62920).

2²⁴⁹²⁸³ is an apocalyptic number.

249283 is a deficient number, since it is larger than the sum of its proper divisors (2397).

249283 is a wasteful number, since it uses less digits than its factorization.

249283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2396.

The product of its digits is 3456, while the sum is 28.

The square root of 249283 is about 499.2824851725. The cubic root of 249283 is about 62.9357706023.

The spelling of 249283 in words is "two hundred forty-nine thousand, two hundred eighty-three".