249459 has 12 divisors (see below), whose sum is σ = 387144. Its totient is φ = 142464.

The previous prime is 249449. The next prime is 249463. The reversal of 249459 is 954942.

It is not a de Polignac number, because 249459 - 2⁵ = 249427 is a prime.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (249419) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 702 + ... + 995.

It is an arithmetic number, because the mean of its divisors is an integer number (32262).

2²⁴⁹⁴⁵⁹ is an apocalyptic number.

249459 is a deficient number, since it is larger than the sum of its proper divisors (137685).

249459 is a wasteful number, since it uses less digits than its factorization.

249459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1714 (or 1707 counting only the distinct ones).

The product of its digits is 12960, while the sum is 33.

The square root of 249459 is about 499.4587070019. The cubic root of 249459 is about 62.9505785245.

The spelling of 249459 in words is "two hundred forty-nine thousand, four hundred fifty-nine".