5105531243 has 2 divisors, whose sum is σ = 5105531244. Its totient is φ = 5105531242.

The previous prime is 5105531227. The next prime is 5105531269. The reversal of 5105531243 is 3421355015.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5105531243 - 2⁴ = 5105531227 is a prime.

It is not a weakly prime, because it can be changed into another prime (5105531203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2552765621 + 2552765622.

It is an arithmetic number, because the mean of its divisors is an integer number (2552765622).

Almost surely, 2^5105531243 is an apocalyptic number.

5105531243 is a deficient number, since it is larger than the sum of its proper divisors (1).

5105531243 is an equidigital number, since it uses as much as digits as its factorization.

5105531243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 5105531243 is about 71453.0002379186. Note that the first 3 decimals coincide. The cubic root of 5105531243 is about 1721.9226790324.

Adding to 5105531243 its reverse (3421355015), we get a palindrome (8526886258).

The spelling of 5105531243 in words is "five billion, one hundred five million, five hundred thirty-one thousand, two hundred forty-three".