2920289 has 2 divisors, whose sum is σ = 2920290. Its totient is φ = 2920288.

The previous prime is 2920279. The next prime is 2920303. The reversal of 2920289 is 9820292.

2920289 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., 2917264 + 3025 = 1708^2 + 55^2 .

It is a cyclic number.

It is not a de Polignac number, because 2920289 - 2⁴ = 2920273 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2920249) 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, 1460144 + 1460145.

It is an arithmetic number, because the mean of its divisors is an integer number (1460145).

2^2920289 is an apocalyptic number.

It is an amenable number.

2920289 is a deficient number, since it is larger than the sum of its proper divisors (1).

2920289 is an equidigital number, since it uses as much as digits as its factorization.

2920289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 2920289 is about 1708.8853092001. The cubic root of 2920289 is about 142.9361052513.

The spelling of 2920289 in words is "two million, nine hundred twenty thousand, two hundred eighty-nine".