115838251 has 2 divisors, whose sum is σ = 115838252. Its totient is φ = 115838250.

The previous prime is 115838249. The next prime is 115838263. The reversal of 115838251 is 152838511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115838251 - 2¹ = 115838249 is a prime.

Together with 115838249, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (115838201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57919125 + 57919126.

It is an arithmetic number, because the mean of its divisors is an integer number (57919126).

Almost surely, 2^115838251 is an apocalyptic number.

115838251 is a deficient number, since it is larger than the sum of its proper divisors (1).

115838251 is an equidigital number, since it uses as much as digits as its factorization.

115838251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9600, while the sum is 34.

The square root of 115838251 is about 10762.8179860109. The cubic root of 115838251 is about 487.4731097155.

The spelling of 115838251 in words is "one hundred fifteen million, eight hundred thirty-eight thousand, two hundred fifty-one".