5242543212 has 12 divisors (see below), whose sum is σ = 12232600856. Its totient is φ = 1747514400.

The previous prime is 5242543199. The next prime is 5242543261. The reversal of 5242543212 is 2123452425.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 5242543212.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218439289 + ... + 218439312.

Almost surely, 2^5242543212 is an apocalyptic number.

It is an amenable number.

5242543212 is an abundant number, since it is smaller than the sum of its proper divisors (6990057644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5242543212 is a wasteful number, since it uses less digits than its factorization.

5242543212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436878608 (or 436878606 counting only the distinct ones).

The product of its digits is 19200, while the sum is 30.

The square root of 5242543212 is about 72405.4087206198. The cubic root of 5242543212 is about 1737.1900756113.

Adding to 5242543212 its reverse (2123452425), we get a palindrome (7365995637).

The spelling of 5242543212 in words is "five billion, two hundred forty-two million, five hundred forty-three thousand, two hundred twelve".