915242113 has 2 divisors, whose sum is σ = 915242114. Its totient is φ = 915242112.

The previous prime is 915242087. The next prime is 915242147. The reversal of 915242113 is 311242519.

915242113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 860659569 + 54582544 = 29337^2 + 7388^2 .

It is a cyclic number.

It is not a de Polignac number, because 915242113 - 2²¹ = 913144961 is a prime.

It is not a weakly prime, because it can be changed into another prime (915242183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 457621056 + 457621057.

It is an arithmetic number, because the mean of its divisors is an integer number (457621057).

Almost surely, 2^915242113 is an apocalyptic number.

It is an amenable number.

915242113 is a deficient number, since it is larger than the sum of its proper divisors (1).

915242113 is an equidigital number, since it uses as much as digits as its factorization.

915242113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 28.

The square root of 915242113 is about 30252.9686642485. The cubic root of 915242113 is about 970.9093088660.

The spelling of 915242113 in words is "nine hundred fifteen million, two hundred forty-two thousand, one hundred thirteen".