108680549 has 2 divisors, whose sum is σ = 108680550. Its totient is φ = 108680548.

The previous prime is 108680519. The next prime is 108680567. The reversal of 108680549 is 945086801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90345025 + 18335524 = 9505^2 + 4282^2 .

It is a cyclic number.

It is not a de Polignac number, because 108680549 - 2⁸ = 108680293 is a prime.

It is a super-2 number, since 2×108680549² = 23622923461882802, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108680519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54340274 + 54340275.

It is an arithmetic number, because the mean of its divisors is an integer number (54340275).

Almost surely, 2^108680549 is an apocalyptic number.

It is an amenable number.

108680549 is a deficient number, since it is larger than the sum of its proper divisors (1).

108680549 is an equidigital number, since it uses as much as digits as its factorization.

108680549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 108680549 is about 10424.9963549154. The cubic root of 108680549 is about 477.2185035288.

The spelling of 108680549 in words is "one hundred eight million, six hundred eighty thousand, five hundred forty-nine".