2705005 has 4 divisors (see below), whose sum is σ = 3246012. Its totient is φ = 2164000.

The previous prime is 2704997. The next prime is 2705009. The reversal of 2705005 is 5005072.

It is a happy number.

2705005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1758276 + 946729 = 1326^2 + 973^2 .

It is not a de Polignac number, because 2705005 - 2³ = 2704997 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 (2705009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270496 + ... + 270505.

It is an arithmetic number, because the mean of its divisors is an integer number (811503).

2^2705005 is an apocalyptic number.

It is an amenable number.

2705005 is a deficient number, since it is larger than the sum of its proper divisors (541007).

2705005 is an equidigital number, since it uses as much as digits as its factorization.

2705005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541006.

The product of its (nonzero) digits is 350, while the sum is 19.

The square root of 2705005 is about 1644.6899403839. The cubic root of 2705005 is about 139.3336532022. Note that the first 3 decimals are identical.

The spelling of 2705005 in words is "two million, seven hundred five thousand, five".