5211021343 has 4 divisors (see below), whose sum is σ = 5684750568. Its totient is φ = 4737292120.

The previous prime is 5211021341. The next prime is 5211021379. The reversal of 5211021343 is 3431201125.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 5211021343 - 2¹ = 5211021341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5211021341) 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, 236864596 + ... + 236864617.

It is an arithmetic number, because the mean of its divisors is an integer number (1421187642).

Almost surely, 2^5211021343 is an apocalyptic number.

5211021343 is a deficient number, since it is larger than the sum of its proper divisors (473729225).

5211021343 is a wasteful number, since it uses less digits than its factorization.

5211021343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473729224.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 5211021343 is about 72187.4043237461. The cubic root of 5211021343 is about 1733.7013364801.

Adding to 5211021343 its reverse (3431201125), we get a palindrome (8642222468).

The spelling of 5211021343 in words is "five billion, two hundred eleven million, twenty-one thousand, three hundred forty-three".