5243247413 has 4 divisors (see below), whose sum is σ = 5244090060. Its totient is φ = 5242404768.

The previous prime is 5243247379. The next prime is 5243247419. The reversal of 5243247413 is 3147423425.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1026433444 + 4216813969 = 32038^2 + 64937^2 .

It is a cyclic number.

It is not a de Polignac number, because 5243247413 - 2²⁰ = 5242198837 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 (5243247419) 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, 411920 + ... + 424457.

It is an arithmetic number, because the mean of its divisors is an integer number (1311022515).

Almost surely, 2^5243247413 is an apocalyptic number.

It is an amenable number.

5243247413 is a deficient number, since it is larger than the sum of its proper divisors (842647).

5243247413 is an equidigital number, since it uses as much as digits as its factorization.

5243247413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842646.

The product of its digits is 80640, while the sum is 35.

The square root of 5243247413 is about 72410.2714606153. The cubic root of 5243247413 is about 1737.2678544150.

The spelling of 5243247413 in words is "five billion, two hundred forty-three million, two hundred forty-seven thousand, four hundred thirteen".