115838257 has 4 divisors (see below), whose sum is σ = 116300016. Its totient is φ = 115376500.

The previous prime is 115838251. The next prime is 115838263. The reversal of 115838257 is 752838511.

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 an interprime number because it is at equal distance from previous prime (115838251) and next prime (115838263).

It is a cyclic number.

It is not a de Polignac number, because 115838257 - 2³ = 115838249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115838251) 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, 230503 + ... + 231004.

It is an arithmetic number, because the mean of its divisors is an integer number (29075004).

Almost surely, 2^115838257 is an apocalyptic number.

It is an amenable number.

115838257 is a deficient number, since it is larger than the sum of its proper divisors (461759).

115838257 is an equidigital number, since it uses as much as digits as its factorization.

115838257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461758.

The product of its digits is 67200, while the sum is 40.

The square root of 115838257 is about 10762.8182647483. The cubic root of 115838257 is about 487.4731181320.

The spelling of 115838257 in words is "one hundred fifteen million, eight hundred thirty-eight thousand, two hundred fifty-seven".