109066541 has 4 divisors (see below), whose sum is σ = 109119900. Its totient is φ = 109013184.

The previous prime is 109066523. The next prime is 109066549. The reversal of 109066541 is 145660901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 145660901 = 3271 ⋅44531.

It can be written as a sum of positive squares in 2 ways, for example, as 22762441 + 86304100 = 4771^2 + 9290^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109066541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 109066498 and 109066507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109066549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23486 + ... + 27743.

It is an arithmetic number, because the mean of its divisors is an integer number (27279975).

Almost surely, 2^109066541 is an apocalyptic number.

It is an amenable number.

109066541 is a deficient number, since it is larger than the sum of its proper divisors (53359).

109066541 is an equidigital number, since it uses as much as digits as its factorization.

109066541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53358.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 109066541 is about 10443.4927586512. The cubic root of 109066541 is about 477.7828022407.

The spelling of 109066541 in words is "one hundred nine million, sixty-six thousand, five hundred forty-one".