249938113 has 8 divisors (see below), whose sum is σ = 252014400. Its totient is φ = 247867440.

The previous prime is 249938111. The next prime is 249938137. The reversal of 249938113 is 311839942.

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

It is a cyclic number.

It is not a de Polignac number, because 249938113 - 2¹ = 249938111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (249938111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152806 + ... + 154432.

It is an arithmetic number, because the mean of its divisors is an integer number (31501800).

Almost surely, 2^249938113 is an apocalyptic number.

It is an amenable number.

249938113 is a deficient number, since it is larger than the sum of its proper divisors (2076287).

249938113 is a wasteful number, since it uses less digits than its factorization.

249938113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2807.

The product of its digits is 46656, while the sum is 40.

The square root of 249938113 is about 15809.4311409361. The cubic root of 249938113 is about 629.9085388348.

The spelling of 249938113 in words is "two hundred forty-nine million, nine hundred thirty-eight thousand, one hundred thirteen".