2246509 has 2 divisors, whose sum is σ = 2246510. Its totient is φ = 2246508.

The previous prime is 2246501. The next prime is 2246521. The reversal of 2246509 is 9056422.

2246509 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., 1974025 + 272484 = 1405^2 + 522^2 .

It is a cyclic number.

It is not a de Polignac number, because 2246509 - 2³ = 2246501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2246501) 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, 1123254 + 1123255.

It is an arithmetic number, because the mean of its divisors is an integer number (1123255).

2^2246509 is an apocalyptic number.

It is an amenable number.

2246509 is a deficient number, since it is larger than the sum of its proper divisors (1).

2246509 is an equidigital number, since it uses as much as digits as its factorization.

2246509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 2246509 is about 1498.8358816095. The cubic root of 2246509 is about 130.9692641992.

The spelling of 2246509 in words is "two million, two hundred forty-six thousand, five hundred nine".