115275427 has 4 divisors (see below), whose sum is σ = 115393680. Its totient is φ = 115157176.

The previous prime is 115275401. The next prime is 115275533. The reversal of 115275427 is 724572511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115275427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 115275392 and 115275401.

It is not an unprimeable number, because it can be changed into a prime (115270427) 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, 57652 + ... + 59617.

It is an arithmetic number, because the mean of its divisors is an integer number (28848420).

Almost surely, 2^115275427 is an apocalyptic number.

115275427 is a deficient number, since it is larger than the sum of its proper divisors (118253).

115275427 is an equidigital number, since it uses as much as digits as its factorization.

115275427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118252.

The product of its digits is 19600, while the sum is 34.

The square root of 115275427 is about 10736.6394649350. The cubic root of 115275427 is about 486.6823314426.

The spelling of 115275427 in words is "one hundred fifteen million, two hundred seventy-five thousand, four hundred twenty-seven".