4569641 has 2 divisors, whose sum is σ = 4569642. Its totient is φ = 4569640.

The previous prime is 4569619. The next prime is 4569659. The reversal of 4569641 is 1469654.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4243600 + 326041 = 2060^2 + 571^2 .

It is a cyclic number.

It is not a de Polignac number, because 4569641 - 2⁶ = 4569577 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (4569541) 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, 2284820 + 2284821.

It is an arithmetic number, because the mean of its divisors is an integer number (2284821).

Almost surely, 2^4569641 is an apocalyptic number.

It is an amenable number.

4569641 is a deficient number, since it is larger than the sum of its proper divisors (1).

4569641 is an equidigital number, since it uses as much as digits as its factorization.

4569641 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 4569641 is about 2137.6718644357. The cubic root of 4569641 is about 165.9436713125.

The spelling of 4569641 in words is "four million, five hundred sixty-nine thousand, six hundred forty-one".