2604913 has 2 divisors, whose sum is σ = 2604914. Its totient is φ = 2604912.

The previous prime is 2604907. The next prime is 2604949. The reversal of 2604913 is 3194062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1912689 + 692224 = 1383^2 + 832^2 .

It is a cyclic number.

It is not a de Polignac number, because 2604913 - 2⁹ = 2604401 is a prime.

2604913 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2604013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1302456 + 1302457.

It is an arithmetic number, because the mean of its divisors is an integer number (1302457).

2^2604913 is an apocalyptic number.

It is an amenable number.

2604913 is a deficient number, since it is larger than the sum of its proper divisors (1).

2604913 is an equidigital number, since it uses as much as digits as its factorization.

2604913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 2604913 is about 1613.9742872797. The cubic root of 2604913 is about 137.5934439199.

Adding to 2604913 its reverse (3194062), we get a palindrome (5798975).

It can be divided in two parts, 26049 and 13, that added together give a palindrome (26062).

The spelling of 2604913 in words is "two million, six hundred four thousand, nine hundred thirteen".