2604220403 has 2 divisors, whose sum is σ = 2604220404. Its totient is φ = 2604220402.

The previous prime is 2604220397. The next prime is 2604220417. The reversal of 2604220403 is 3040224062.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2604220403 - 2¹⁴ = 2604204019 is a prime.

It is not a weakly prime, because it can be changed into another prime (2604220433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1302110201 + 1302110202.

It is an arithmetic number, because the mean of its divisors is an integer number (1302110202).

Almost surely, 2^2604220403 is an apocalyptic number.

2604220403 is a deficient number, since it is larger than the sum of its proper divisors (1).

2604220403 is an equidigital number, since it uses as much as digits as its factorization.

2604220403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 2604220403 is about 51031.5628116561. The cubic root of 2604220403 is about 1375.8124834257.

Adding to 2604220403 its reverse (3040224062), we get a palindrome (5644444465).

The spelling of 2604220403 in words is "two billion, six hundred four million, two hundred twenty thousand, four hundred three".