4561603 has 2 divisors, whose sum is σ = 4561604. Its totient is φ = 4561602.

The previous prime is 4561591. The next prime is 4561607. The reversal of 4561603 is 3061654.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4561603 - 2¹³ = 4553411 is a prime.

It is not a weakly prime, because it can be changed into another prime (4561607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2280801 + 2280802.

It is an arithmetic number, because the mean of its divisors is an integer number (2280802).

Almost surely, 2^4561603 is an apocalyptic number.

4561603 is a deficient number, since it is larger than the sum of its proper divisors (1).

4561603 is an equidigital number, since it uses as much as digits as its factorization.

4561603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 4561603 is about 2135.7909541900. The cubic root of 4561603 is about 165.8463158836.

The spelling of 4561603 in words is "four million, five hundred sixty-one thousand, six hundred three".