115249361 has 4 divisors (see below), whose sum is σ = 117202800. Its totient is φ = 113295924.

The previous prime is 115249349. The next prime is 115249367. The reversal of 115249361 is 163942511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 163942511 = 107 ⋅1532173.

It is a cyclic number.

It is not a de Polignac number, because 115249361 - 2¹⁸ = 114987217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115249367) 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, 976631 + ... + 976748.

It is an arithmetic number, because the mean of its divisors is an integer number (29300700).

Almost surely, 2^115249361 is an apocalyptic number.

It is an amenable number.

115249361 is a deficient number, since it is larger than the sum of its proper divisors (1953439).

115249361 is an equidigital number, since it uses as much as digits as its factorization.

115249361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1953438.

The product of its digits is 6480, while the sum is 32.

The square root of 115249361 is about 10735.4255155536. The cubic root of 115249361 is about 486.6456459197.

The spelling of 115249361 in words is "one hundred fifteen million, two hundred forty-nine thousand, three hundred sixty-one".