5216251243 has 24 divisors (see below), whose sum is σ = 6205248000. Its totient is φ = 4370114448.

The previous prime is 5216251207. The next prime is 5216251273. The reversal of 5216251243 is 3421526125.

It is a de Polignac number, because none of the positive numbers 2^k-5216251243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5216251273) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3221088 + ... + 3222706.

It is an arithmetic number, because the mean of its divisors is an integer number (258552000).

Almost surely, 2^5216251243 is an apocalyptic number.

5216251243 is a deficient number, since it is larger than the sum of its proper divisors (988996757).

5216251243 is a wasteful number, since it uses less digits than its factorization.

5216251243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3079 (or 3072 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

The square root of 5216251243 is about 72223.6197029753. The cubic root of 5216251243 is about 1734.2811366384.

Adding to 5216251243 its reverse (3421526125), we get a palindrome (8637777368).

The spelling of 5216251243 in words is "five billion, two hundred sixteen million, two hundred fifty-one thousand, two hundred forty-three".