115017965 has 4 divisors (see below), whose sum is σ = 138021564. Its totient is φ = 92014368.

The previous prime is 115017961. The next prime is 115017983. The reversal of 115017965 is 569710511.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 569710511 = 17 ⋅33512383.

It can be written as a sum of positive squares in 2 ways, for example, as 79245604 + 35772361 = 8902^2 + 5981^2 .

It is a cyclic number.

It is not a de Polignac number, because 115017965 - 2² = 115017961 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115017961) 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, 11501792 + ... + 11501801.

It is an arithmetic number, because the mean of its divisors is an integer number (34505391).

Almost surely, 2^115017965 is an apocalyptic number.

It is an amenable number.

115017965 is a deficient number, since it is larger than the sum of its proper divisors (23003599).

115017965 is an equidigital number, since it uses as much as digits as its factorization.

115017965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23003598.

The product of its (nonzero) digits is 9450, while the sum is 35.

The square root of 115017965 is about 10724.6428844974. The cubic root of 115017965 is about 486.3197343391.

The spelling of 115017965 in words is "one hundred fifteen million, seventeen thousand, nine hundred sixty-five".