2305500247 has 2 divisors, whose sum is σ = 2305500248. Its totient is φ = 2305500246.

The previous prime is 2305500209. The next prime is 2305500269. The reversal of 2305500247 is 7420055032.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2305500247 - 2²³ = 2297111639 is a prime.

It is a super-2 number, since 2×2305500247² = 10630662777834122018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2305500347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1152750123 + 1152750124.

It is an arithmetic number, because the mean of its divisors is an integer number (1152750124).

Almost surely, 2^2305500247 is an apocalyptic number.

2305500247 is a deficient number, since it is larger than the sum of its proper divisors (1).

2305500247 is an equidigital number, since it uses as much as digits as its factorization.

2305500247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 2305500247 is about 48015.6250297755. The cubic root of 2305500247 is about 1321.0575101851.

Adding to 2305500247 its reverse (7420055032), we get a palindrome (9725555279).

The spelling of 2305500247 in words is "two billion, three hundred five million, five hundred thousand, two hundred forty-seven".