249289113 has 8 divisors (see below), whose sum is σ = 332605728. Its totient is φ = 166082624.

The previous prime is 249289099. The next prime is 249289129. The reversal of 249289113 is 311982942.

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 249289113 - 2⁴ = 249289097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (249289613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22095 + ... + 31412.

It is an arithmetic number, because the mean of its divisors is an integer number (41575716).

Almost surely, 2^249289113 is an apocalyptic number.

It is an amenable number.

249289113 is a deficient number, since it is larger than the sum of its proper divisors (83316615).

249289113 is a wasteful number, since it uses less digits than its factorization.

249289113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55063.

The product of its digits is 31104, while the sum is 39.

The square root of 249289113 is about 15788.8920763935. The cubic root of 249289113 is about 629.3628504200.

The spelling of 249289113 in words is "two hundred forty-nine million, two hundred eighty-nine thousand, one hundred thirteen".