5212165513 has 4 divisors (see below), whose sum is σ = 5251953168. Its totient is φ = 5172377860.

The previous prime is 5212165477. The next prime is 5212165531. The reversal of 5212165513 is 3155612125.

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 a de Polignac number, because none of the positive numbers 2^k-5212165513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5212162513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19893631 + ... + 19893892.

It is an arithmetic number, because the mean of its divisors is an integer number (1312988292).

Almost surely, 2^5212165513 is an apocalyptic number.

It is an amenable number.

5212165513 is a deficient number, since it is larger than the sum of its proper divisors (39787655).

5212165513 is a wasteful number, since it uses less digits than its factorization.

5212165513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39787654.

The product of its digits is 9000, while the sum is 31.

The square root of 5212165513 is about 72195.3288862929. The cubic root of 5212165513 is about 1733.8282152475.

Adding to 5212165513 its reverse (3155612125), we get a palindrome (8367777638).

The spelling of 5212165513 in words is "five billion, two hundred twelve million, one hundred sixty-five thousand, five hundred thirteen".