2305003 has 2 divisors, whose sum is σ = 2305004. Its totient is φ = 2305002.

The previous prime is 2304997. The next prime is 2305027. The reversal of 2305003 is 3005032.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2305003 is a prime.

2305003 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2305103) by changing a digit.

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 as a sum of consecutive naturals, namely, 1152501 + 1152502.

It is an arithmetic number, because the mean of its divisors is an integer number (1152502).

2^2305003 is an apocalyptic number.

2305003 is a deficient number, since it is larger than the sum of its proper divisors (1).

2305003 is an equidigital number, since it uses as much as digits as its factorization.

2305003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90, while the sum is 13.

The square root of 2305003 is about 1518.2236330660. The cubic root of 2305003 is about 132.0962528757.

The spelling of 2305003 in words is "two million, three hundred five thousand, three".