249235 has 8 divisors (see below), whose sum is σ = 341856. Its totient is φ = 170880.

The previous prime is 249233. The next prime is 249253. The reversal of 249235 is 532942.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 249235 - 2¹ = 249233 is a prime.

It is a Duffinian number.

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 (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3526 + ... + 3595.

It is an arithmetic number, because the mean of its divisors is an integer number (42732).

2²⁴⁹²³⁵ is an apocalyptic number.

249235 is a deficient number, since it is larger than the sum of its proper divisors (92621).

249235 is an equidigital number, since it uses as much as digits as its factorization.

249235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7133.

The product of its digits is 2160, while the sum is 25.

The square root of 249235 is about 499.2344138779. The cubic root of 249235 is about 62.9317308685.

It can be divided in two parts, 249 and 235, that added together give a palindrome (484).

The spelling of 249235 in words is "two hundred forty-nine thousand, two hundred thirty-five".