108655321 has 2 divisors, whose sum is σ = 108655322. Its totient is φ = 108655320.

The previous prime is 108655291. The next prime is 108655363. The reversal of 108655321 is 123556801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101284096 + 7371225 = 10064^2 + 2715^2 .

It is a cyclic number.

It is not a de Polignac number, because 108655321 - 2⁷ = 108655193 is a prime.

It is a super-2 number, since 2×108655321² = 23611957563226082, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (108655621) 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, 54327660 + 54327661.

It is an arithmetic number, because the mean of its divisors is an integer number (54327661).

Almost surely, 2^108655321 is an apocalyptic number.

It is an amenable number.

108655321 is a deficient number, since it is larger than the sum of its proper divisors (1).

108655321 is an equidigital number, since it uses as much as digits as its factorization.

108655321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 108655321 is about 10423.7863082471. The cubic root of 108655321 is about 477.1815751173.

The spelling of 108655321 in words is "one hundred eight million, six hundred fifty-five thousand, three hundred twenty-one".