249459113 has 4 divisors (see below), whose sum is σ = 262588560. Its totient is φ = 236329668.

The previous prime is 249459109. The next prime is 249459121. The reversal of 249459113 is 311954942.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 249459113 - 2² = 249459109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (249459163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6564695 + ... + 6564732.

It is an arithmetic number, because the mean of its divisors is an integer number (65647140).

Almost surely, 2^249459113 is an apocalyptic number.

It is an amenable number.

249459113 is a deficient number, since it is larger than the sum of its proper divisors (13129447).

249459113 is a wasteful number, since it uses less digits than its factorization.

249459113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13129446.

The product of its digits is 38880, while the sum is 38.

The square root of 249459113 is about 15794.2746905326. The cubic root of 249459113 is about 629.5058802965.

The spelling of 249459113 in words is "two hundred forty-nine million, four hundred fifty-nine thousand, one hundred thirteen".