5211422143 has 4 divisors (see below), whose sum is σ = 5228072368. Its totient is φ = 5194771920.

The previous prime is 5211422129. The next prime is 5211422147. The reversal of 5211422143 is 3412241125.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5211422143 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 (5211422147) 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, 8324643 + ... + 8325268.

It is an arithmetic number, because the mean of its divisors is an integer number (1307018092).

Almost surely, 2^5211422143 is an apocalyptic number.

5211422143 is a deficient number, since it is larger than the sum of its proper divisors (16650225).

5211422143 is a wasteful number, since it uses less digits than its factorization.

5211422143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16650224.

The product of its digits is 1920, while the sum is 25.

The square root of 5211422143 is about 72190.1803779434. The cubic root of 5211422143 is about 1733.7457839205.

Adding to 5211422143 its reverse (3412241125), we get a palindrome (8623663268).

The spelling of 5211422143 in words is "five billion, two hundred eleven million, four hundred twenty-two thousand, one hundred forty-three".