115527513 has 4 divisors (see below), whose sum is σ = 154036688. Its totient is φ = 77018340.

The previous prime is 115527493. The next prime is 115527521. The reversal of 115527513 is 315725511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 115527513 - 2¹² = 115523417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115527583) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19254583 + ... + 19254588.

It is an arithmetic number, because the mean of its divisors is an integer number (38509172).

Almost surely, 2^115527513 is an apocalyptic number.

It is an amenable number.

115527513 is a deficient number, since it is larger than the sum of its proper divisors (38509175).

115527513 is an equidigital number, since it uses as much as digits as its factorization.

115527513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38509174.

The product of its digits is 5250, while the sum is 30.

The square root of 115527513 is about 10748.3725744877. The cubic root of 115527513 is about 487.0368345184.

The spelling of 115527513 in words is "one hundred fifteen million, five hundred twenty-seven thousand, five hundred thirteen".