4408561 has 2 divisors, whose sum is σ = 4408562. Its totient is φ = 4408560.

The previous prime is 4408517. The next prime is 4408577. The reversal of 4408561 is 1658044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3240000 + 1168561 = 1800^2 + 1081^2 .

It is a cyclic number.

It is not a de Polignac number, because 4408561 - 2¹¹ = 4406513 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4408501) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2204280 + 2204281.

It is an arithmetic number, because the mean of its divisors is an integer number (2204281).

Almost surely, 2^4408561 is an apocalyptic number.

It is an amenable number.

4408561 is a deficient number, since it is larger than the sum of its proper divisors (1).

4408561 is an equidigital number, since it uses as much as digits as its factorization.

4408561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 4408561 is about 2099.6573529983. The cubic root of 4408561 is about 163.9704611681.

The spelling of 4408561 in words is "four million, four hundred eight thousand, five hundred sixty-one".