115837 has 2 divisors, whose sum is σ = 115838. Its totient is φ = 115836.

The previous prime is 115831. The next prime is 115849. The reversal of 115837 is 738511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93636 + 22201 = 306^2 + 149^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115837 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 115837.

It is not a weakly prime, because it can be changed into another prime (115831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57918 + 57919.

It is an arithmetic number, because the mean of its divisors is an integer number (57919).

2¹¹⁵⁸³⁷ is an apocalyptic number.

115837 is the 197-th hex number.

It is an amenable number.

115837 is a deficient number, since it is larger than the sum of its proper divisors (1).

115837 is an equidigital number, since it uses as much as digits as its factorization.

115837 is an evil number, because the sum of its binary digits is even.

The product of its digits is 840, while the sum is 25.

The square root of 115837 is about 340.3483509582. The cubic root of 115837 is about 48.7471354881.

The spelling of 115837 in words is "one hundred fifteen thousand, eight hundred thirty-seven".