108566449 has 2 divisors, whose sum is σ = 108566450. Its totient is φ = 108566448.

The previous prime is 108566413. The next prime is 108566527. The reversal of 108566449 is 944665801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97377424 + 11189025 = 9868^2 + 3345^2 .

It is an emirp because it is prime and its reverse (944665801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 108566449 - 2¹⁷ = 108435377 is a prime.

It is not a weakly prime, because it can be changed into another prime (108566849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54283224 + 54283225.

It is an arithmetic number, because the mean of its divisors is an integer number (54283225).

Almost surely, 2^108566449 is an apocalyptic number.

It is an amenable number.

108566449 is a deficient number, since it is larger than the sum of its proper divisors (1).

108566449 is an equidigital number, since it uses as much as digits as its factorization.

108566449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 108566449 is about 10419.5224938574. The cubic root of 108566449 is about 477.0514399093.

The spelling of 108566449 in words is "one hundred eight million, five hundred sixty-six thousand, four hundred forty-nine".