5131043539 has 2 divisors, whose sum is σ = 5131043540. Its totient is φ = 5131043538.

The previous prime is 5131043531. The next prime is 5131043569. The reversal of 5131043539 is 9353401315.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5131043539 - 2³ = 5131043531 is a prime.

It is a super-2 number, since 2×5131043539² = 52655215598227289042, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5131043531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2565521769 + 2565521770.

It is an arithmetic number, because the mean of its divisors is an integer number (2565521770).

Almost surely, 2^5131043539 is an apocalyptic number.

5131043539 is a deficient number, since it is larger than the sum of its proper divisors (1).

5131043539 is an equidigital number, since it uses as much as digits as its factorization.

5131043539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24300, while the sum is 34.

The square root of 5131043539 is about 71631.3027872591. The cubic root of 5131043539 is about 1724.7860591917.

It can be divided in two parts, 51310 and 43539, that added together give a palindrome (94849).

The spelling of 5131043539 in words is "five billion, one hundred thirty-one million, forty-three thousand, five hundred thirty-nine".