115005997 has 2 divisors, whose sum is σ = 115005998. Its totient is φ = 115005996.

The previous prime is 115005991. The next prime is 115006019. The reversal of 115005997 is 799500511.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72352036 + 42653961 = 8506^2 + 6531^2 .

It is a cyclic number.

It is not a de Polignac number, because 115005997 - 2¹¹ = 115003949 is a prime.

It is a super-3 number, since 3×115005997³ (a number of 25 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115005991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57502998 + 57502999.

It is an arithmetic number, because the mean of its divisors is an integer number (57502999).

Almost surely, 2^115005997 is an apocalyptic number.

It is an amenable number.

115005997 is a deficient number, since it is larger than the sum of its proper divisors (1).

115005997 is an equidigital number, since it uses as much as digits as its factorization.

115005997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14175, while the sum is 37.

The square root of 115005997 is about 10724.0849026852. The cubic root of 115005997 is about 486.3028660280.

The spelling of 115005997 in words is "one hundred fifteen million, five thousand, nine hundred ninety-seven".