109546321 has 2 divisors, whose sum is σ = 109546322. Its totient is φ = 109546320.

The previous prime is 109546319. The next prime is 109546361. The reversal of 109546321 is 123645901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78588225 + 30958096 = 8865^2 + 5564^2 .

It is a cyclic number.

It is not a de Polignac number, because 109546321 - 2¹ = 109546319 is a prime.

Together with 109546319, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (109546361) 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, 54773160 + 54773161.

It is an arithmetic number, because the mean of its divisors is an integer number (54773161).

Almost surely, 2^109546321 is an apocalyptic number.

It is an amenable number.

109546321 is a deficient number, since it is larger than the sum of its proper divisors (1).

109546321 is an equidigital number, since it uses as much as digits as its factorization.

109546321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 109546321 is about 10466.4378372013. The cubic root of 109546321 is about 478.4823608890.

The spelling of 109546321 in words is "one hundred nine million, five hundred forty-six thousand, three hundred twenty-one".