249263 has 6 divisors (see below), whose sum is σ = 290016. Its totient is φ = 213612.

The previous prime is 249257. The next prime is 249287. The reversal of 249263 is 362942.

It is not a de Polignac number, because 249263 - 2⁶ = 249199 is a prime.

It is a Duffinian number.

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 249263.

It is not an unprimeable number, because it can be changed into a prime (249233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2495 + ... + 2592.

It is an arithmetic number, because the mean of its divisors is an integer number (48336).

2²⁴⁹²⁶³ is an apocalyptic number.

249263 is a deficient number, since it is larger than the sum of its proper divisors (40753).

249263 is an equidigital number, since it uses as much as digits as its factorization.

249263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5101 (or 5094 counting only the distinct ones).

The product of its digits is 2592, while the sum is 26.

The square root of 249263 is about 499.2624560289. The cubic root of 249263 is about 62.9340874429.

It can be divided in two parts, 249 and 263, that added together give a 9-th power (512 = 2⁹).

The spelling of 249263 in words is "two hundred forty-nine thousand, two hundred sixty-three".