2504603 has 2 divisors, whose sum is σ = 2504604. Its totient is φ = 2504602.

The previous prime is 2504597. The next prime is 2504611. The reversal of 2504603 is 3064052.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2504603 - 2⁴ = 2504587 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2504693) 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, 1252301 + 1252302.

It is an arithmetic number, because the mean of its divisors is an integer number (1252302).

2^2504603 is an apocalyptic number.

2504603 is a deficient number, since it is larger than the sum of its proper divisors (1).

2504603 is an equidigital number, since it uses as much as digits as its factorization.

2504603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 2504603 is about 1582.5937570962. The cubic root of 2504603 is about 135.8041261888.

Adding to 2504603 its reverse (3064052), we get a palindrome (5568655).

The spelling of 2504603 in words is "two million, five hundred four thousand, six hundred three".