4452649 has 2 divisors, whose sum is σ = 4452650. Its totient is φ = 4452648.

The previous prime is 4452647. The next prime is 4452653. The reversal of 4452649 is 9462544.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3515625 + 937024 = 1875^2 + 968^2 .

It is a cyclic number.

It is not a de Polignac number, because 4452649 - 2¹ = 4452647 is a prime.

Together with 4452647, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4452647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2226324 + 2226325.

It is an arithmetic number, because the mean of its divisors is an integer number (2226325).

Almost surely, 2^4452649 is an apocalyptic number.

It is an amenable number.

4452649 is a deficient number, since it is larger than the sum of its proper divisors (1).

4452649 is an equidigital number, since it uses as much as digits as its factorization.

4452649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 34.

The square root of 4452649 is about 2110.1300907764. The cubic root of 4452649 is about 164.5152469677.

The spelling of 4452649 in words is "four million, four hundred fifty-two thousand, six hundred forty-nine".