2601289 has 6 divisors (see below), whose sum is σ = 2763614. Its totient is φ = 2448000.

The previous prime is 2601281. The next prime is 2601299. The reversal of 2601289 is 9821062.

It is a happy number.

2601289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 627264 + 1974025 = 792^2 + 1405^2 .

It is not a de Polignac number, because 2601289 - 2³ = 2601281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2601281) 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 in 5 ways as a sum of consecutive naturals, for example, 4212 + ... + 4789.

2^2601289 is an apocalyptic number.

It is an amenable number.

2601289 is a deficient number, since it is larger than the sum of its proper divisors (162325).

2601289 is an equidigital number, since it uses as much as digits as its factorization.

2601289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9035 (or 9018 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 2601289 is about 1612.8512020642. The cubic root of 2601289 is about 137.5296068477.

It can be divided in two parts, 2601 and 289, that multiplied together give a square (751689 = 867²).

The spelling of 2601289 in words is "two million, six hundred one thousand, two hundred eighty-nine".