2604803 has 2 divisors, whose sum is σ = 2604804. Its totient is φ = 2604802.

The previous prime is 2604799. The next prime is 2604821. The reversal of 2604803 is 3084062.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2604803 - 2² = 2604799 is a prime.

It is not a weakly prime, because it can be changed into another prime (2604703) 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, 1302401 + 1302402.

It is an arithmetic number, because the mean of its divisors is an integer number (1302402).

2^2604803 is an apocalyptic number.

2604803 is a deficient number, since it is larger than the sum of its proper divisors (1).

2604803 is an equidigital number, since it uses as much as digits as its factorization.

2604803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 2604803 is about 1613.9402095493. The cubic root of 2604803 is about 137.5915071320.

Adding to 2604803 its reverse (3084062), we get a palindrome (5688865).

The spelling of 2604803 in words is "two million, six hundred four thousand, eight hundred three".