2659549 has 2 divisors, whose sum is σ = 2659550. Its totient is φ = 2659548.

The previous prime is 2659537. The next prime is 2659567. The reversal of 2659549 is 9459562.

2659549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2402500 + 257049 = 1550^2 + 507^2 .

It is a cyclic number.

It is not a de Polignac number, because 2659549 - 2⁹ = 2659037 is a prime.

It is a Chen prime.

It is a nialpdrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2659519) 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, 1329774 + 1329775.

It is an arithmetic number, because the mean of its divisors is an integer number (1329775).

2^2659549 is an apocalyptic number.

It is an amenable number.

2659549 is a deficient number, since it is larger than the sum of its proper divisors (1).

2659549 is an equidigital number, since it uses as much as digits as its factorization.

2659549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 97200, while the sum is 40.

The square root of 2659549 is about 1630.8123742479. The cubic root of 2659549 is about 138.5487670760.

The spelling of 2659549 in words is "two million, six hundred fifty-nine thousand, five hundred forty-nine".