5271136441 has 4 divisors (see below), whose sum is σ = 5272114932. Its totient is φ = 5270157952.

The previous prime is 5271136421. The next prime is 5271136447. The reversal of 5271136441 is 1446311725.

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 121638841 + 5149497600 = 11029^2 + 71760^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5271136441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5271136397 and 5271136406.

It is not an unprimeable number, because it can be changed into a prime (5271136447) 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, 481120 + ... + 491953.

It is an arithmetic number, because the mean of its divisors is an integer number (1318028733).

Almost surely, 2^5271136441 is an apocalyptic number.

It is an amenable number.

5271136441 is a deficient number, since it is larger than the sum of its proper divisors (978491).

5271136441 is an equidigital number, since it uses as much as digits as its factorization.

5271136441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978490.

The product of its digits is 20160, while the sum is 34.

The square root of 5271136441 is about 72602.5925225815. The cubic root of 5271136441 is about 1740.3426067115.

The spelling of 5271136441 in words is "five billion, two hundred seventy-one million, one hundred thirty-six thousand, four hundred forty-one".