249441243 has 8 divisors (see below), whose sum is σ = 335016528. Its totient is φ = 165080064.

The previous prime is 249441229. The next prime is 249441251. The reversal of 249441243 is 342144942.

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

It is not a de Polignac number, because 249441243 - 2⁵ = 249441211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (249441263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303046 + ... + 303867.

It is an arithmetic number, because the mean of its divisors is an integer number (41877066).

Almost surely, 2^249441243 is an apocalyptic number.

249441243 is a deficient number, since it is larger than the sum of its proper divisors (85575285).

249441243 is a wasteful number, since it uses less digits than its factorization.

249441243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607053.

The product of its digits is 27648, while the sum is 33.

The square root of 249441243 is about 15793.7089690801. The cubic root of 249441243 is about 629.4908483893.

The spelling of 249441243 in words is "two hundred forty-nine million, four hundred forty-one thousand, two hundred forty-three".