242648113 has 2 divisors, whose sum is σ = 242648114. Its totient is φ = 242648112.

The previous prime is 242648111. The next prime is 242648143. The reversal of 242648113 is 311846242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 242642929 + 5184 = 15577^2 + 72^2 .

It is a cyclic number.

It is not a de Polignac number, because 242648113 - 2¹ = 242648111 is a prime.

Together with 242648111, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (242648111) 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 as a sum of consecutive naturals, namely, 121324056 + 121324057.

It is an arithmetic number, because the mean of its divisors is an integer number (121324057).

Almost surely, 2^242648113 is an apocalyptic number.

It is an amenable number.

242648113 is a deficient number, since it is larger than the sum of its proper divisors (1).

242648113 is an equidigital number, since it uses as much as digits as its factorization.

242648113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9216, while the sum is 31.

The square root of 242648113 is about 15577.1663982895. The cubic root of 242648113 is about 623.7237855765.

The spelling of 242648113 in words is "two hundred forty-two million, six hundred forty-eight thousand, one hundred thirteen".