115280647 has 2 divisors, whose sum is σ = 115280648. Its totient is φ = 115280646.

The previous prime is 115280629. The next prime is 115280653. The reversal of 115280647 is 746082511.

It is a strong prime.

It is an emirp because it is prime and its reverse (746082511) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115280647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115280677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57640323 + 57640324.

It is an arithmetic number, because the mean of its divisors is an integer number (57640324).

Almost surely, 2^115280647 is an apocalyptic number.

115280647 is a deficient number, since it is larger than the sum of its proper divisors (1).

115280647 is an equidigital number, since it uses as much as digits as its factorization.

115280647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 115280647 is about 10736.8825550064. The cubic root of 115280647 is about 486.6896774529.

The spelling of 115280647 in words is "one hundred fifteen million, two hundred eighty thousand, six hundred forty-seven".