5251144343 has 4 divisors (see below), whose sum is σ = 5420536128. Its totient is φ = 5081752560.

The previous prime is 5251144321. The next prime is 5251144369. The reversal of 5251144343 is 3434411525.

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

It is a cyclic number.

It is not a de Polignac number, because 5251144343 - 2¹⁰ = 5251143319 is a prime.

It is a super-2 number, since 2×5251144343² = 55149033822041803298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5251144543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84695846 + ... + 84695907.

It is an arithmetic number, because the mean of its divisors is an integer number (1355134032).

Almost surely, 2^5251144343 is an apocalyptic number.

5251144343 is a deficient number, since it is larger than the sum of its proper divisors (169391785).

5251144343 is a wasteful number, since it uses less digits than its factorization.

5251144343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169391784.

The product of its digits is 28800, while the sum is 32.

The square root of 5251144343 is about 72464.7800176058. The cubic root of 5251144343 is about 1738.1395915792.

Adding to 5251144343 its reverse (3434411525), we get a palindrome (8685555868).

The spelling of 5251144343 in words is "five billion, two hundred fifty-one million, one hundred forty-four thousand, three hundred forty-three".