5312135513 has 4 divisors (see below), whose sum is σ = 5317190928. Its totient is φ = 5307080100.

The previous prime is 5312135509. The next prime is 5312135519. The reversal of 5312135513 is 3155312135.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5312135513 - 2² = 5312135509 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5312135519) 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, 2526131 + ... + 2528232.

It is an arithmetic number, because the mean of its divisors is an integer number (1329297732).

Almost surely, 2^5312135513 is an apocalyptic number.

It is an amenable number.

5312135513 is a deficient number, since it is larger than the sum of its proper divisors (5055415).

5312135513 is a wasteful number, since it uses less digits than its factorization.

5312135513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5055414.

The product of its digits is 6750, while the sum is 29.

The square root of 5312135513 is about 72884.3982824857. The cubic root of 5312135513 is about 1744.8431057370.

Adding to 5312135513 its reverse (3155312135), we get a palindrome (8467447648).

The spelling of 5312135513 in words is "five billion, three hundred twelve million, one hundred thirty-five thousand, five hundred thirteen".