115272517 has 2 divisors, whose sum is σ = 115272518. Its totient is φ = 115272516.

The previous prime is 115272497. The next prime is 115272557. The reversal of 115272517 is 715272511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90611361 + 24661156 = 9519^2 + 4966^2 .

It is a cyclic number.

It is not a de Polignac number, because 115272517 - 2¹¹ = 115270469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115272557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57636258 + 57636259.

It is an arithmetic number, because the mean of its divisors is an integer number (57636259).

Almost surely, 2^115272517 is an apocalyptic number.

It is an amenable number.

115272517 is a deficient number, since it is larger than the sum of its proper divisors (1).

115272517 is an equidigital number, since it uses as much as digits as its factorization.

115272517 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4900, while the sum is 31.

The square root of 115272517 is about 10736.5039468162. The cubic root of 115272517 is about 486.6782361566.

The spelling of 115272517 in words is "one hundred fifteen million, two hundred seventy-two thousand, five hundred seventeen".