15116897 has 2 divisors, whose sum is σ = 15116898. Its totient is φ = 15116896.

The previous prime is 15116891. The next prime is 15117013. The reversal of 15116897 is 79861151.

15116897 is nontrivially palindromic in base 13.

15116897 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., 14409616 + 707281 = 3796^2 + 841^2 .

It is a cyclic number.

It is not a de Polignac number, because 15116897 - 2⁶ = 15116833 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15116897.

It is not a weakly prime, because it can be changed into another prime (15116891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7558448 + 7558449.

It is an arithmetic number, because the mean of its divisors is an integer number (7558449).

Almost surely, 2^15116897 is an apocalyptic number.

It is an amenable number.

15116897 is a deficient number, since it is larger than the sum of its proper divisors (1).

15116897 is an equidigital number, since it uses as much as digits as its factorization.

15116897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 38.

The square root of 15116897 is about 3888.0453958255. The cubic root of 15116897 is about 247.2602010266.

The spelling of 15116897 in words is "fifteen million, one hundred sixteen thousand, eight hundred ninety-seven".