5271707221 has 16 divisors (see below), whose sum is σ = 5845079808. Its totient is φ = 4714632000.

The previous prime is 5271707219. The next prime is 5271707227. The reversal of 5271707221 is 1227071725.

It is a cyclic number.

It is not a de Polignac number, because 5271707221 - 2¹ = 5271707219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5271707227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159316 + ... + 189538.

It is an arithmetic number, because the mean of its divisors is an integer number (365317488).

Almost surely, 2^5271707221 is an apocalyptic number.

It is an amenable number.

5271707221 is a deficient number, since it is larger than the sum of its proper divisors (573372587).

5271707221 is a wasteful number, since it uses less digits than its factorization.

5271707221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30492.

The product of its (nonzero) digits is 13720, while the sum is 34.

The square root of 5271707221 is about 72606.5232675412. The cubic root of 5271707221 is about 1740.4054215594.

Adding to 5271707221 its reverse (1227071725), we get a palindrome (6498778946).

The spelling of 5271707221 in words is "five billion, two hundred seventy-one million, seven hundred seven thousand, two hundred twenty-one".