5259247943 has 4 divisors (see below), whose sum is σ = 5260746840. Its totient is φ = 5257749048.

The previous prime is 5259247909. The next prime is 5259247957. The reversal of 5259247943 is 3497429525.

It is a happy number.

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 5259247943 - 2¹⁰ = 5259246919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5259247891 and 5259247900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5259247963) 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, 744173 + ... + 751206.

It is an arithmetic number, because the mean of its divisors is an integer number (1315186710).

Almost surely, 2^5259247943 is an apocalyptic number.

5259247943 is a deficient number, since it is larger than the sum of its proper divisors (1498897).

5259247943 is a wasteful number, since it uses less digits than its factorization.

5259247943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1498896.

The product of its digits is 2721600, while the sum is 50.

The square root of 5259247943 is about 72520.6725217024. The cubic root of 5259247943 is about 1739.0332348075.

The spelling of 5259247943 in words is "five billion, two hundred fifty-nine million, two hundred forty-seven thousand, nine hundred forty-three".