4442549 has 2 divisors, whose sum is σ = 4442550. Its totient is φ = 4442548.

The previous prime is 4442531. The next prime is 4442551. The reversal of 4442549 is 9452444.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3478225 + 964324 = 1865^2 + 982^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4442549 is a prime.

Together with 4442551, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4444549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2221274 + 2221275.

It is an arithmetic number, because the mean of its divisors is an integer number (2221275).

Almost surely, 2^4442549 is an apocalyptic number.

It is an amenable number.

4442549 is a deficient number, since it is larger than the sum of its proper divisors (1).

4442549 is an equidigital number, since it uses as much as digits as its factorization.

4442549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 32.

The square root of 4442549 is about 2107.7355147172. The cubic root of 4442549 is about 164.3907621254.

The spelling of 4442549 in words is "four million, four hundred forty-two thousand, five hundred forty-nine".