2427289 has 2 divisors, whose sum is σ = 2427290. Its totient is φ = 2427288.

The previous prime is 2427287. The next prime is 2427301. The reversal of 2427289 is 9827242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1254400 + 1172889 = 1120^2 + 1083^2 .

It is a cyclic number.

It is not a de Polignac number, because 2427289 - 2¹ = 2427287 is a prime.

Together with 2427287, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2427281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1213644 + 1213645.

It is an arithmetic number, because the mean of its divisors is an integer number (1213645).

2^2427289 is an apocalyptic number.

It is an amenable number.

2427289 is a deficient number, since it is larger than the sum of its proper divisors (1).

2427289 is an equidigital number, since it uses as much as digits as its factorization.

2427289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 34.

The square root of 2427289 is about 1557.9759304944. The cubic root of 2427289 is about 134.3921275446.

The spelling of 2427289 in words is "two million, four hundred twenty-seven thousand, two hundred eighty-nine".