108547489 has 2 divisors, whose sum is σ = 108547490. Its totient is φ = 108547488.

The previous prime is 108547469. The next prime is 108547507. The reversal of 108547489 is 984745801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103632400 + 4915089 = 10180^2 + 2217^2 .

It is a cyclic number.

It is not a de Polignac number, because 108547489 - 2¹³ = 108539297 is a prime.

It is not a weakly prime, because it can be changed into another prime (108547469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54273744 + 54273745.

It is an arithmetic number, because the mean of its divisors is an integer number (54273745).

Almost surely, 2^108547489 is an apocalyptic number.

It is an amenable number.

108547489 is a deficient number, since it is larger than the sum of its proper divisors (1).

108547489 is an equidigital number, since it uses as much as digits as its factorization.

108547489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 322560, while the sum is 46.

The square root of 108547489 is about 10418.6126235694. The cubic root of 108547489 is about 477.0236676034.

The spelling of 108547489 in words is "one hundred eight million, five hundred forty-seven thousand, four hundred eighty-nine".