15305113 has 2 divisors, whose sum is σ = 15305114. Its totient is φ = 15305112.

The previous prime is 15305111. The next prime is 15305141. The reversal of 15305113 is 31150351.

15305113 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., 15303744 + 1369 = 3912^2 + 37^2 .

It is a cyclic number.

It is not a de Polignac number, because 15305113 - 2¹ = 15305111 is a prime.

Together with 15305111, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (15305111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7652556 + 7652557.

It is an arithmetic number, because the mean of its divisors is an integer number (7652557).

Almost surely, 2^15305113 is an apocalyptic number.

It is an amenable number.

15305113 is a deficient number, since it is larger than the sum of its proper divisors (1).

15305113 is an equidigital number, since it uses as much as digits as its factorization.

15305113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 225, while the sum is 19.

The square root of 15305113 is about 3912.1749705247. The cubic root of 15305113 is about 248.2821591273.

Adding to 15305113 its reverse (31150351), we get a palindrome (46455464).

The spelling of 15305113 in words is "fifteen million, three hundred five thousand, one hundred thirteen".