2061289 has 2 divisors, whose sum is σ = 2061290. Its totient is φ = 2061288.

The previous prime is 2061287. The next prime is 2061313. The reversal of 2061289 is 9821602.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1265625 + 795664 = 1125^2 + 892^2 .

It is a cyclic number.

It is not a de Polignac number, because 2061289 - 2¹ = 2061287 is a prime.

Together with 2061287, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2061287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1030644 + 1030645.

It is an arithmetic number, because the mean of its divisors is an integer number (1030645).

2^2061289 is an apocalyptic number.

It is an amenable number.

2061289 is a deficient number, since it is larger than the sum of its proper divisors (1).

2061289 is an equidigital number, since it uses as much as digits as its factorization.

2061289 is an odious number, because the sum of its binary digits is odd.

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

The square root of 2061289 is about 1435.7189836455. The cubic root of 2061289 is about 127.2661663130.

The spelling of 2061289 in words is "two million, sixty-one thousand, two hundred eighty-nine".