249255 has 24 divisors (see below), whose sum is σ = 449280. Its totient is φ = 127680.

The previous prime is 249253. The next prime is 249257. The reversal of 249255 is 552942.

249255 is nontrivially palindromic in base 8.

It is an interprime number because it is at equal distance from previous prime (249253) and next prime (249257).

It is not a de Polignac number, because 249255 - 2¹ = 249253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249253) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1210 + ... + 1400.

It is an arithmetic number, because the mean of its divisors is an integer number (18720).

2²⁴⁹²⁵⁵ is an apocalyptic number.

249255 is a deficient number, since it is larger than the sum of its proper divisors (200025).

249255 is a wasteful number, since it uses less digits than its factorization.

249255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231 (or 228 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 249255 is about 499.2544441465. The cubic root of 249255 is about 62.9334141539.

The spelling of 249255 in words is "two hundred forty-nine thousand, two hundred fifty-five".