2443005 has 18 divisors (see below), whose sum is σ = 4252794. Its totient is φ = 1297344.

The previous prime is 2442977. The next prime is 2443027. The reversal of 2443005 is 5003442.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 36 + 2442969 = 6^2 + 1563^2 .

It is not a de Polignac number, because 2443005 - 2⁶ = 2442941 is a prime.

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 17 ways as a sum of consecutive naturals, for example, 10369 + ... + 10601.

2^2443005 is an apocalyptic number.

It is an amenable number.

2443005 is a deficient number, since it is larger than the sum of its proper divisors (1809789).

2443005 is an equidigital number, since it uses as much as digits as its factorization.

2443005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477 (or 241 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 2443005 is about 1563.0115162724. The cubic root of 2443005 is about 134.6815539478.

Adding to 2443005 its reverse (5003442), we get a palindrome (7446447).

It can be divided in two parts, 244 and 3005, that added together give a square (3249 = 57²).

The spelling of 2443005 in words is "two million, four hundred forty-three thousand, five".