5252243839 has 4 divisors (see below), whose sum is σ = 5260214520. Its totient is φ = 5244273160.

The previous prime is 5252243831. The next prime is 5252243879. The reversal of 5252243839 is 9383422525.

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 5252243839 - 2³ = 5252243831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5252243795 and 5252243804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5252243831) 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, 3984352 + ... + 3985669.

It is an arithmetic number, because the mean of its divisors is an integer number (1315053630).

Almost surely, 2^5252243839 is an apocalyptic number.

5252243839 is a deficient number, since it is larger than the sum of its proper divisors (7970681).

5252243839 is an equidigital number, since it uses as much as digits as its factorization.

5252243839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7970680.

The product of its digits is 518400, while the sum is 43.

The square root of 5252243839 is about 72472.3660369937. The cubic root of 5252243839 is about 1738.2608949267.

The spelling of 5252243839 in words is "five billion, two hundred fifty-two million, two hundred forty-three thousand, eight hundred thirty-nine".