3005545 has 8 divisors (see below), whose sum is σ = 3644424. Its totient is φ = 2379264.

The previous prime is 3005521. The next prime is 3005551. The reversal of 3005545 is 5455003.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 173056 + 2832489 = 416^2 + 1683^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3005545 - 2⁷ = 3005417 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 2614 + ... + 3583.

It is an arithmetic number, because the mean of its divisors is an integer number (455553).

Almost surely, 2^3005545 is an apocalyptic number.

It is an amenable number.

3005545 is a deficient number, since it is larger than the sum of its proper divisors (638879).

3005545 is an equidigital number, since it uses as much as digits as its factorization.

3005545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6299.

The product of its (nonzero) digits is 1500, while the sum is 22.

The square root of 3005545 is about 1733.6507722145. The cubic root of 3005545 is about 144.3137609386.

The spelling of 3005545 in words is "three million, five thousand, five hundred forty-five".