4544549 has 2 divisors, whose sum is σ = 4544550. Its totient is φ = 4544548.

The previous prime is 4544539. The next prime is 4544557. The reversal of 4544549 is 9454454.

4544549 is nontrivially palindromic in base 9.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3928324 + 616225 = 1982^2 + 785^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4544549 is a prime.

It is a super-2 number, since 2×4544549² = 41305851226802, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4544509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2272274 + 2272275.

It is an arithmetic number, because the mean of its divisors is an integer number (2272275).

Almost surely, 2^4544549 is an apocalyptic number.

It is an amenable number.

4544549 is a deficient number, since it is larger than the sum of its proper divisors (1).

4544549 is an equidigital number, since it uses as much as digits as its factorization.

4544549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 57600, while the sum is 35.

The square root of 4544549 is about 2131.7947837444. The cubic root of 4544549 is about 165.6393802158.

The spelling of 4544549 in words is "four million, five hundred forty-four thousand, five hundred forty-nine".