5243248247 has 4 divisors (see below), whose sum is σ = 5245242240. Its totient is φ = 5241254256.

The previous prime is 5243248211. The next prime is 5243248267. The reversal of 5243248247 is 7428423425.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5243248247 - 2²² = 5239053943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5243248267) 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, 993047 + ... + 998312.

It is an arithmetic number, because the mean of its divisors is an integer number (1311310560).

Almost surely, 2^5243248247 is an apocalyptic number.

5243248247 is a deficient number, since it is larger than the sum of its proper divisors (1993993).

5243248247 is a wasteful number, since it uses less digits than its factorization.

5243248247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1993992.

The product of its digits is 430080, while the sum is 41.

The square root of 5243248247 is about 72410.2772194666. The cubic root of 5243248247 is about 1737.2679465259.

The spelling of 5243248247 in words is "five billion, two hundred forty-three million, two hundred forty-eight thousand, two hundred forty-seven".