5206728571 has 4 divisors (see below), whose sum is σ = 5680067544. Its totient is φ = 4733389600.

The previous prime is 5206728529. The next prime is 5206728599. The reversal of 5206728571 is 1758276025.

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 5206728571 - 2¹⁵ = 5206695803 is a prime.

It is a super-2 number, since 2×5206728571² = 54220044824135404082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5206722571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236669470 + ... + 236669491.

It is an arithmetic number, because the mean of its divisors is an integer number (1420016886).

Almost surely, 2^5206728571 is an apocalyptic number.

5206728571 is a deficient number, since it is larger than the sum of its proper divisors (473338973).

5206728571 is a wasteful number, since it uses less digits than its factorization.

5206728571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473338972.

The product of its (nonzero) digits is 235200, while the sum is 43.

The square root of 5206728571 is about 72157.6646725765. The cubic root of 5206728571 is about 1733.2251387800.

The spelling of 5206728571 in words is "five billion, two hundred six million, seven hundred twenty-eight thousand, five hundred seventy-one".