5231544243 has 4 divisors (see below), whose sum is σ = 6975392328. Its totient is φ = 3487696160.

The previous prime is 5231544239. The next prime is 5231544257. The reversal of 5231544243 is 3424451325.

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 5231544243 - 2² = 5231544239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5231544743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 871924038 + ... + 871924043.

It is an arithmetic number, because the mean of its divisors is an integer number (1743848082).

Almost surely, 2^5231544243 is an apocalyptic number.

5231544243 is a deficient number, since it is larger than the sum of its proper divisors (1743848085).

5231544243 is a wasteful number, since it uses less digits than its factorization.

5231544243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1743848084.

The product of its digits is 57600, while the sum is 33.

The square root of 5231544243 is about 72329.4147840282. The cubic root of 5231544243 is about 1735.9743375543.

Adding to 5231544243 its reverse (3424451325), we get a palindrome (8655995568).

The spelling of 5231544243 in words is "five billion, two hundred thirty-one million, five hundred forty-four thousand, two hundred forty-three".