115043317 has 2 divisors, whose sum is σ = 115043318. Its totient is φ = 115043316.

The previous prime is 115043303. The next prime is 115043321. The reversal of 115043317 is 713340511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71470116 + 43573201 = 8454^2 + 6601^2 .

It is a cyclic number.

It is not a de Polignac number, because 115043317 - 2¹⁹ = 114519029 is a prime.

It is equal to p_6575011 and since 115043317 and 6575011 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 115043291 and 115043300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115053317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57521658 + 57521659.

It is an arithmetic number, because the mean of its divisors is an integer number (57521659).

Almost surely, 2^115043317 is an apocalyptic number.

It is an amenable number.

115043317 is a deficient number, since it is larger than the sum of its proper divisors (1).

115043317 is an equidigital number, since it uses as much as digits as its factorization.

115043317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 115043317 is about 10725.8247701517. The cubic root of 115043317 is about 486.3554628799.

Adding to 115043317 its reverse (713340511), we get a palindrome (828383828).

The spelling of 115043317 in words is "one hundred fifteen million, forty-three thousand, three hundred seventeen".