2604289 has 2 divisors, whose sum is σ = 2604290. Its totient is φ = 2604288.

The previous prime is 2604269. The next prime is 2604293. The reversal of 2604289 is 9824062.

2604289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2226064 + 378225 = 1492^2 + 615^2 .

It is a cyclic number.

It is not a de Polignac number, because 2604289 - 2⁵ = 2604257 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2³ + 6⁸ + 0 + 4⁹ + 2¹⁷ + 8 + 9⁶ .

It is a self number, because there is not a number n which added to its sum of digits gives 2604289.

It is not a weakly prime, because it can be changed into another prime (2604269) 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, 1302144 + 1302145.

It is an arithmetic number, because the mean of its divisors is an integer number (1302145).

2^2604289 is an apocalyptic number.

It is an amenable number.

2604289 is a deficient number, since it is larger than the sum of its proper divisors (1).

2604289 is an equidigital number, since it uses as much as digits as its factorization.

2604289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 2604289 is about 1613.7809640716. The cubic root of 2604289 is about 137.5824563276.

The spelling of 2604289 in words is "two million, six hundred four thousand, two hundred eighty-nine".