2459909 has 2 divisors, whose sum is σ = 2459910. Its totient is φ = 2459908.

The previous prime is 2459879. The next prime is 2459921. The reversal of 2459909 is 9099542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2356225 + 103684 = 1535^2 + 322^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2459909 is a prime.

It is a Chen prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2459209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1229954 + 1229955.

It is an arithmetic number, because the mean of its divisors is an integer number (1229955).

2^2459909 is an apocalyptic number.

It is an amenable number.

2459909 is a deficient number, since it is larger than the sum of its proper divisors (1).

2459909 is an equidigital number, since it uses as much as digits as its factorization.

2459909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 2459909 is about 1568.4097041271. The cubic root of 2459909 is about 134.9914763709.

The spelling of 2459909 in words is "two million, four hundred fifty-nine thousand, nine hundred nine".