3005305 has 4 divisors (see below), whose sum is σ = 3606372. Its totient is φ = 2404240.

The previous prime is 3005297. The next prime is 3005329. The reversal of 3005305 is 5035003.

It is a happy number.

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 1317904 + 1687401 = 1148^2 + 1299^2 .

It is not a de Polignac number, because 3005305 - 2³ = 3005297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300526 + ... + 300535.

It is an arithmetic number, because the mean of its divisors is an integer number (901593).

Almost surely, 2^3005305 is an apocalyptic number.

It is an amenable number.

3005305 is a deficient number, since it is larger than the sum of its proper divisors (601067).

3005305 is an equidigital number, since it uses as much as digits as its factorization.

3005305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601066.

The product of its (nonzero) digits is 225, while the sum is 16.

The square root of 3005305 is about 1733.5815527399. The cubic root of 3005305 is about 144.3099195694.

The spelling of 3005305 in words is "three million, five thousand, three hundred five".