115500613 has 2 divisors, whose sum is σ = 115500614. Its totient is φ = 115500612.

The previous prime is 115500587. The next prime is 115500631. The reversal of 115500613 is 316005511.

Together with next prime (115500631) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93663684 + 21836929 = 9678^2 + 4673^2 .

It is a cyclic number.

It is not a de Polignac number, because 115500613 - 2²¹ = 113403461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115500313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57750306 + 57750307.

It is an arithmetic number, because the mean of its divisors is an integer number (57750307).

Almost surely, 2^115500613 is an apocalyptic number.

It is an amenable number.

115500613 is a deficient number, since it is larger than the sum of its proper divisors (1).

115500613 is an equidigital number, since it uses as much as digits as its factorization.

115500613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 115500613 is about 10747.1211494055. The cubic root of 115500613 is about 486.9990302255. Note that the first 3 decimals are identical.

The spelling of 115500613 in words is "one hundred fifteen million, five hundred thousand, six hundred thirteen".