115947413 has 2 divisors, whose sum is σ = 115947414. Its totient is φ = 115947412.

The previous prime is 115947373. The next prime is 115947421. The reversal of 115947413 is 314749511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89548369 + 26399044 = 9463^2 + 5138^2 .

It is an emirp because it is prime and its reverse (314749511) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115947413 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115947113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57973706 + 57973707.

It is an arithmetic number, because the mean of its divisors is an integer number (57973707).

Almost surely, 2^115947413 is an apocalyptic number.

It is an amenable number.

115947413 is a deficient number, since it is larger than the sum of its proper divisors (1).

115947413 is an equidigital number, since it uses as much as digits as its factorization.

115947413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 35.

The square root of 115947413 is about 10767.8880473378. Note that the first 3 decimals coincide. The cubic root of 115947413 is about 487.6261876276.

The spelling of 115947413 in words is "one hundred fifteen million, nine hundred forty-seven thousand, four hundred thirteen".