2259449 has 2 divisors, whose sum is σ = 2259450. Its totient is φ = 2259448.

The previous prime is 2259437. The next prime is 2259493. The reversal of 2259449 is 9449522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2016400 + 243049 = 1420^2 + 493^2 .

It is a cyclic number.

It is not a de Polignac number, because 2259449 - 2²⁰ = 1210873 is a prime.

It is not a weakly prime, because it can be changed into another prime (2259949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1129724 + 1129725.

It is an arithmetic number, because the mean of its divisors is an integer number (1129725).

2^2259449 is an apocalyptic number.

It is an amenable number.

2259449 is a deficient number, since it is larger than the sum of its proper divisors (1).

2259449 is an equidigital number, since it uses as much as digits as its factorization.

2259449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 35.

The square root of 2259449 is about 1503.1463667920. The cubic root of 2259449 is about 131.2202460143.

The spelling of 2259449 in words is "two million, two hundred fifty-nine thousand, four hundred forty-nine".