115283897 has 4 divisors (see below), whose sum is σ = 118399716. Its totient is φ = 112168080.

The previous prime is 115283881. The next prime is 115283911. The reversal of 115283897 is 798382511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 798382511 = 1129 ⋅707159.

It can be written as a sum of positive squares in 2 ways, for example, as 104121616 + 11162281 = 10204^2 + 3341^2 .

It is a cyclic number.

It is not a de Polignac number, because 115283897 - 2⁴ = 115283881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115283807) 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, 1557854 + ... + 1557927.

It is an arithmetic number, because the mean of its divisors is an integer number (29599929).

Almost surely, 2^115283897 is an apocalyptic number.

It is an amenable number.

115283897 is a deficient number, since it is larger than the sum of its proper divisors (3115819).

115283897 is an equidigital number, since it uses as much as digits as its factorization.

115283897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3115818.

The product of its digits is 120960, while the sum is 44.

The square root of 115283897 is about 10737.0339014087. The cubic root of 115283897 is about 486.6942510063.

The spelling of 115283897 in words is "one hundred fifteen million, two hundred eighty-three thousand, eight hundred ninety-seven".