5238871561 has 8 divisors (see below), whose sum is σ = 6531580224. Its totient is φ = 4082237520.

The previous prime is 5238871559. The next prime is 5238871579. The reversal of 5238871561 is 1651788325.

5238871561 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5238871561 - 2¹ = 5238871559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5238871661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34018570 + ... + 34018723.

It is an arithmetic number, because the mean of its divisors is an integer number (816447528).

Almost surely, 2^5238871561 is an apocalyptic number.

It is an amenable number.

5238871561 is a deficient number, since it is larger than the sum of its proper divisors (1292708663).

5238871561 is a wasteful number, since it uses less digits than its factorization.

5238871561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68037311.

The product of its digits is 403200, while the sum is 46.

The square root of 5238871561 is about 72380.0494680682. The cubic root of 5238871561 is about 1736.7844299134.

The spelling of 5238871561 in words is "five billion, two hundred thirty-eight million, eight hundred seventy-one thousand, five hundred sixty-one".