5163515243 has 4 divisors (see below), whose sum is σ = 5183607000. Its totient is φ = 5143423488.

The previous prime is 5163515237. The next prime is 5163515261. The reversal of 5163515243 is 3425153615.

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 5163515243 - 2¹⁸ = 5163253099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5163515233) 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, 10045493 + ... + 10046006.

It is an arithmetic number, because the mean of its divisors is an integer number (1295901750).

Almost surely, 2^5163515243 is an apocalyptic number.

5163515243 is a deficient number, since it is larger than the sum of its proper divisors (20091757).

5163515243 is a wasteful number, since it uses less digits than its factorization.

5163515243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20091756.

The product of its digits is 54000, while the sum is 35.

The square root of 5163515243 is about 71857.6039330564. The cubic root of 5163515243 is about 1728.4168352542.

Adding to 5163515243 its reverse (3425153615), we get a palindrome (8588668858).

The spelling of 5163515243 in words is "five billion, one hundred sixty-three million, five hundred fifteen thousand, two hundred forty-three".