2430289 has 2 divisors, whose sum is σ = 2430290. Its totient is φ = 2430288.

The previous prime is 2430257. The next prime is 2430293. The reversal of 2430289 is 9820342.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2387025 + 43264 = 1545^2 + 208^2 .

It is a cyclic number.

It is not a de Polignac number, because 2430289 - 2⁵ = 2430257 is a prime.

2430289 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2430299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1215144 + 1215145.

It is an arithmetic number, because the mean of its divisors is an integer number (1215145).

2^2430289 is an apocalyptic number.

It is an amenable number.

2430289 is a deficient number, since it is larger than the sum of its proper divisors (1).

2430289 is an equidigital number, since it uses as much as digits as its factorization.

2430289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 2430289 is about 1558.9384208493. The cubic root of 2430289 is about 134.4474719219.

The spelling of 2430289 in words is "two million, four hundred thirty thousand, two hundred eighty-nine".