2725712005 has 4 divisors (see below), whose sum is σ = 3270854412. Its totient is φ = 2180569600.

The previous prime is 2725711997. The next prime is 2725712027. The reversal of 2725712005 is 5002175272.

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 918271809 + 1807440196 = 30303^2 + 42514^2 .

It is not a de Polignac number, because 2725712005 - 2³ = 2725711997 is a prime.

It is a super-2 number, since 2×2725712005² = 14859011868402240050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 272571196 + ... + 272571205.

It is an arithmetic number, because the mean of its divisors is an integer number (817713603).

Almost surely, 2^2725712005 is an apocalyptic number.

It is an amenable number.

2725712005 is a deficient number, since it is larger than the sum of its proper divisors (545142407).

2725712005 is an equidigital number, since it uses as much as digits as its factorization.

2725712005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545142406.

The product of its (nonzero) digits is 9800, while the sum is 31.

The square root of 2725712005 is about 52208.3518701749. The cubic root of 2725712005 is about 1396.8828615252.

Adding to 2725712005 its reverse (5002175272), we get a palindrome (7727887277).

It can be divided in two parts, 272571 and 2005, that added together give a square (274576 = 524²).

The spelling of 2725712005 in words is "two billion, seven hundred twenty-five million, seven hundred twelve thousand, five".