108539653 has 2 divisors, whose sum is σ = 108539654. Its totient is φ = 108539652.

The previous prime is 108539633. The next prime is 108539671. The reversal of 108539653 is 356935801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69189124 + 39350529 = 8318^2 + 6273^2 .

It is a cyclic number.

It is not a de Polignac number, because 108539653 - 2⁵ = 108539621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108539603) 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, 54269826 + 54269827.

It is an arithmetic number, because the mean of its divisors is an integer number (54269827).

Almost surely, 2^108539653 is an apocalyptic number.

It is an amenable number.

108539653 is a deficient number, since it is larger than the sum of its proper divisors (1).

108539653 is an equidigital number, since it uses as much as digits as its factorization.

108539653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 97200, while the sum is 40.

The square root of 108539653 is about 10418.2365590344. The cubic root of 108539653 is about 477.0121886110.

The spelling of 108539653 in words is "one hundred eight million, five hundred thirty-nine thousand, six hundred fifty-three".