5243247671 has 2 divisors, whose sum is σ = 5243247672. Its totient is φ = 5243247670.

The previous prime is 5243247641. The next prime is 5243247673. The reversal of 5243247671 is 1767423425.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5243247671 is a prime.

It is a super-2 number, since 2×5243247671² = 54983292278893848482, which contains 22 as substring.

Together with 5243247673, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5243247673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2621623835 + 2621623836.

It is an arithmetic number, because the mean of its divisors is an integer number (2621623836).

Almost surely, 2^5243247671 is an apocalyptic number.

5243247671 is a deficient number, since it is larger than the sum of its proper divisors (1).

5243247671 is an equidigital number, since it uses as much as digits as its factorization.

5243247671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 282240, while the sum is 41.

The square root of 5243247671 is about 72410.2732421305. The cubic root of 5243247671 is about 1737.2678829098.

The spelling of 5243247671 in words is "five billion, two hundred forty-three million, two hundred forty-seven thousand, six hundred seventy-one".