5285720005 has 4 divisors (see below), whose sum is σ = 6342864012. Its totient is φ = 4228576000.

The previous prime is 5285719931. The next prime is 5285720009. The reversal of 5285720005 is 5000275825.

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 1962312804 + 3323407201 = 44298^2 + 57649^2 .

It is not a de Polignac number, because 5285720005 - 2²¹ = 5283622853 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 (5285720009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 528571996 + ... + 528572005.

It is an arithmetic number, because the mean of its divisors is an integer number (1585716003).

Almost surely, 2^5285720005 is an apocalyptic number.

It is an amenable number.

5285720005 is a deficient number, since it is larger than the sum of its proper divisors (1057144007).

5285720005 is a wasteful number, since it uses less digits than its factorization.

5285720005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057144006.

The product of its (nonzero) digits is 28000, while the sum is 34.

The square root of 5285720005 is about 72702.9573332475. The cubic root of 5285720005 is about 1741.9461209616.

The spelling of 5285720005 in words is "five billion, two hundred eighty-five million, seven hundred twenty thousand, five".