108489517 has 2 divisors, whose sum is σ = 108489518. Its totient is φ = 108489516.

The previous prime is 108489497. The next prime is 108489533. The reversal of 108489517 is 715984801.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85266756 + 23222761 = 9234^2 + 4819^2 .

It is a cyclic number.

It is not a de Polignac number, because 108489517 - 2¹¹ = 108487469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108489317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54244758 + 54244759.

It is an arithmetic number, because the mean of its divisors is an integer number (54244759).

Almost surely, 2^108489517 is an apocalyptic number.

It is an amenable number.

108489517 is a deficient number, since it is larger than the sum of its proper divisors (1).

108489517 is an equidigital number, since it uses as much as digits as its factorization.

108489517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 43.

The square root of 108489517 is about 10415.8301157421. The cubic root of 108489517 is about 476.9387310752.

It can be divided in two parts, 1084 and 89517, that added together give a square (90601 = 301²).

The spelling of 108489517 in words is "one hundred eight million, four hundred eighty-nine thousand, five hundred seventeen".