5243852437 has 4 divisors (see below), whose sum is σ = 5244052876. Its totient is φ = 5243652000.

The previous prime is 5243852401. The next prime is 5243852443. The reversal of 5243852437 is 7342583425.

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 2585315716 + 2658536721 = 50846^2 + 51561^2 .

It is a cyclic number.

It is not a de Polignac number, because 5243852437 - 2⁷ = 5243852309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5243852393 and 5243852402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5243852447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53814 + ... + 115687.

It is an arithmetic number, because the mean of its divisors is an integer number (1311013219).

Almost surely, 2^5243852437 is an apocalyptic number.

It is an amenable number.

5243852437 is a deficient number, since it is larger than the sum of its proper divisors (200439).

5243852437 is a wasteful number, since it uses less digits than its factorization.

5243852437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200438.

The product of its digits is 806400, while the sum is 43.

The square root of 5243852437 is about 72414.4490899434. The cubic root of 5243852437 is about 1737.3346735850.

The spelling of 5243852437 in words is "five billion, two hundred forty-three million, eight hundred fifty-two thousand, four hundred thirty-seven".