115831697 has 2 divisors, whose sum is σ = 115831698. Its totient is φ = 115831696.

The previous prime is 115831687. The next prime is 115831721. The reversal of 115831697 is 796138511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115433536 + 398161 = 10744^2 + 631^2 .

It is a cyclic number.

It is not a de Polignac number, because 115831697 - 2¹² = 115827601 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (115831627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57915848 + 57915849.

It is an arithmetic number, because the mean of its divisors is an integer number (57915849).

Almost surely, 2^115831697 is an apocalyptic number.

It is an amenable number.

115831697 is a deficient number, since it is larger than the sum of its proper divisors (1).

115831697 is an equidigital number, since it uses as much as digits as its factorization.

115831697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 41.

The square root of 115831697 is about 10762.5135075409. The cubic root of 115831697 is about 487.4639159792.

The spelling of 115831697 in words is "one hundred fifteen million, eight hundred thirty-one thousand, six hundred ninety-seven".