2318487247 has 2 divisors, whose sum is σ = 2318487248. Its totient is φ = 2318487246.

The previous prime is 2318487221. The next prime is 2318487253. The reversal of 2318487247 is 7427848132.

2318487247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2318487247 is a prime.

It is a super-2 number, since 2×2318487247² = 10750766229003278018, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2318487197 and 2318487206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2318487547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1159243623 + 1159243624.

It is an arithmetic number, because the mean of its divisors is an integer number (1159243624).

Almost surely, 2^2318487247 is an apocalyptic number.

2318487247 is a deficient number, since it is larger than the sum of its proper divisors (1).

2318487247 is an equidigital number, since it uses as much as digits as its factorization.

2318487247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 602112, while the sum is 46.

The square root of 2318487247 is about 48150.6723421387. The cubic root of 2318487247 is about 1323.5333950792.

The spelling of 2318487247 in words is "two billion, three hundred eighteen million, four hundred eighty-seven thousand, two hundred forty-seven".