2459209 has 2 divisors, whose sum is σ = 2459210. Its totient is φ = 2459208.

The previous prime is 2459201. The next prime is 2459239. The reversal of 2459209 is 9029542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1863225 + 595984 = 1365^2 + 772^2 .

It is a cyclic number.

It is not a de Polignac number, because 2459209 - 2³ = 2459201 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2459201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1229604 + 1229605.

It is an arithmetic number, because the mean of its divisors is an integer number (1229605).

2^2459209 is an apocalyptic number.

It is an amenable number.

2459209 is a deficient number, since it is larger than the sum of its proper divisors (1).

2459209 is an equidigital number, since it uses as much as digits as its factorization.

2459209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 2459209 is about 1568.1865322722. The cubic root of 2459209 is about 134.9786706129.

The spelling of 2459209 in words is "two million, four hundred fifty-nine thousand, two hundred nine".