249219 has 6 divisors (see below), whose sum is σ = 359996. Its totient is φ = 166140.

The previous prime is 249217. The next prime is 249229. The reversal of 249219 is 912942.

It is not a de Polignac number, because 249219 - 2¹ = 249217 is a prime.

It is a super-2 number, since 2×249219² = 124220219922, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2⁵ + 4² + 2¹⁷ + 9⁵ + 1 + 9⁵ .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 249192 and 249201.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 249219.

It is not an unprimeable number, because it can be changed into a prime (249211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13837 + ... + 13854.

2²⁴⁹²¹⁹ is an apocalyptic number.

249219 is a deficient number, since it is larger than the sum of its proper divisors (110777).

249219 is a wasteful number, since it uses less digits than its factorization.

249219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27697 (or 27694 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 249219 is about 499.2183890844. The cubic root of 249219 is about 62.9303841753.

The spelling of 249219 in words is "two hundred forty-nine thousand, two hundred nineteen".