4503641 has 2 divisors, whose sum is σ = 4503642. Its totient is φ = 4503640.

The previous prime is 4503637. The next prime is 4503643. The reversal of 4503641 is 1463054.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4326400 + 177241 = 2080^2 + 421^2 .

It is a cyclic number.

It is not a de Polignac number, because 4503641 - 2² = 4503637 is a prime.

Together with 4503643, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4503643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2251820 + 2251821.

It is an arithmetic number, because the mean of its divisors is an integer number (2251821).

Almost surely, 2^4503641 is an apocalyptic number.

It is an amenable number.

4503641 is a deficient number, since it is larger than the sum of its proper divisors (1).

4503641 is an equidigital number, since it uses as much as digits as its factorization.

4503641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 4503641 is about 2122.1783619668. The cubic root of 4503641 is about 165.1408775414.

Adding to 4503641 its reverse (1463054), we get a palindrome (5966695).

The spelling of 4503641 in words is "four million, five hundred three thousand, six hundred forty-one".