115963601 has 4 divisors (see below), whose sum is σ = 124883892. Its totient is φ = 107043312.

The previous prime is 115963577. The next prime is 115963609. The reversal of 115963601 is 106369511.

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: 106369511 = 131 ⋅811981.

It can be written as a sum of positive squares in 2 ways, for example, as 57456400 + 58507201 = 7580^2 + 7649^2 .

It is a cyclic number.

It is not a de Polignac number, because 115963601 - 2¹⁰ = 115962577 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (115963609) 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, 4460126 + ... + 4460151.

It is an arithmetic number, because the mean of its divisors is an integer number (31220973).

Almost surely, 2^115963601 is an apocalyptic number.

It is an amenable number.

115963601 is a deficient number, since it is larger than the sum of its proper divisors (8920291).

115963601 is an equidigital number, since it uses as much as digits as its factorization.

115963601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8920290.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 115963601 is about 10768.6397005379. The cubic root of 115963601 is about 487.6488798844.

The spelling of 115963601 in words is "one hundred fifteen million, nine hundred sixty-three thousand, six hundred one".