115647925 has 6 divisors (see below), whose sum is σ = 143403458. Its totient is φ = 92518320.

The previous prime is 115647907. The next prime is 115647971. The reversal of 115647925 is 529746511.

It can be written as a sum of positive squares in 3 ways, for example, as 18645124 + 97002801 = 4318^2 + 9849^2 .

It is not a de Polignac number, because 115647925 - 2⁷ = 115647797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2312934 + ... + 2312983.

Almost surely, 2^115647925 is an apocalyptic number.

It is an amenable number.

115647925 is a deficient number, since it is larger than the sum of its proper divisors (27755533).

115647925 is an equidigital number, since it uses as much as digits as its factorization.

115647925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4625927 (or 4625922 counting only the distinct ones).

The product of its digits is 75600, while the sum is 40.

The square root of 115647925 is about 10753.9725218172. The cubic root of 115647925 is about 487.2059853256.

The spelling of 115647925 in words is "one hundred fifteen million, six hundred forty-seven thousand, nine hundred twenty-five".