5021511213 has 4 divisors (see below), whose sum is σ = 6695348288. Its totient is φ = 3347674140.

The previous prime is 5021511193. The next prime is 5021511217. The reversal of 5021511213 is 3121151205.

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 not a de Polignac number, because 5021511213 - 2¹⁰ = 5021510189 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5021511213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5021511217) 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, 836918533 + ... + 836918538.

It is an arithmetic number, because the mean of its divisors is an integer number (1673837072).

Almost surely, 2^5021511213 is an apocalyptic number.

It is an amenable number.

5021511213 is a deficient number, since it is larger than the sum of its proper divisors (1673837075).

5021511213 is a wasteful number, since it uses less digits than its factorization.

5021511213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1673837074.

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 5021511213 is about 70862.6221149062. The cubic root of 5021511213 is about 1712.4246821298.

Adding to 5021511213 its reverse (3121151205), we get a palindrome (8142662418).

The spelling of 5021511213 in words is "five billion, twenty-one million, five hundred eleven thousand, two hundred thirteen".