3005243 has 4 divisors (see below), whose sum is σ = 3182040. Its totient is φ = 2828448.

The previous prime is 3005237. The next prime is 3005267. The reversal of 3005243 is 3425003.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3425003 = 167 ⋅20509.

It is a cyclic number.

It is not a de Polignac number, because 3005243 - 2⁶ = 3005179 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 176779 = 3005243 / (3 + 0 + 0 + 5 + 2 + 4 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3005213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88373 + ... + 88406.

It is an arithmetic number, because the mean of its divisors is an integer number (795510).

Almost surely, 2^3005243 is an apocalyptic number.

3005243 is a deficient number, since it is larger than the sum of its proper divisors (176797).

3005243 is a wasteful number, since it uses less digits than its factorization.

3005243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176796.

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 3005243 is about 1733.5636705930. The cubic root of 3005243 is about 144.3089271824.

The spelling of 3005243 in words is "three million, five thousand, two hundred forty-three".