5238871061 has 4 divisors (see below), whose sum is σ = 5310636492. Its totient is φ = 5167105632.

The previous prime is 5238871049. The next prime is 5238871087. The reversal of 5238871061 is 1601788325.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1273776100 + 3965094961 = 35690^2 + 62969^2 .

It is a cyclic number.

It is not a de Polignac number, because 5238871061 - 2⁶ = 5238870997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5238871021) 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 3 ways as a sum of consecutive naturals, for example, 35882606 + ... + 35882751.

It is an arithmetic number, because the mean of its divisors is an integer number (1327659123).

Almost surely, 2^5238871061 is an apocalyptic number.

It is an amenable number.

5238871061 is a deficient number, since it is larger than the sum of its proper divisors (71765431).

5238871061 is an equidigital number, since it uses as much as digits as its factorization.

5238871061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71765430.

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 5238871061 is about 72380.0460140777. The cubic root of 5238871061 is about 1736.7843746603.

The spelling of 5238871061 in words is "five billion, two hundred thirty-eight million, eight hundred seventy-one thousand, sixty-one".