5212544243 has 4 divisors (see below), whose sum is σ = 5213209248. Its totient is φ = 5211879240.

The previous prime is 5212544221. The next prime is 5212544273. The reversal of 5212544243 is 3424452125.

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 5212544243 - 2¹² = 5212540147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5212544273) 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, 320603 + ... + 336468.

It is an arithmetic number, because the mean of its divisors is an integer number (1303302312).

Almost surely, 2^5212544243 is an apocalyptic number.

5212544243 is a deficient number, since it is larger than the sum of its proper divisors (665005).

5212544243 is an equidigital number, since it uses as much as digits as its factorization.

5212544243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665004.

The product of its digits is 38400, while the sum is 32.

The square root of 5212544243 is about 72197.9517922773. The cubic root of 5212544243 is about 1733.8702091081.

Adding to 5212544243 its reverse (3424452125), we get a palindrome (8636996368).

The spelling of 5212544243 in words is "five billion, two hundred twelve million, five hundred forty-four thousand, two hundred forty-three".