109006543 has 2 divisors, whose sum is σ = 109006544. Its totient is φ = 109006542.

The previous prime is 109006523. The next prime is 109006549. The reversal of 109006543 is 345600901.

It is a strong prime.

It is an emirp because it is prime and its reverse (345600901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 109006543 - 2¹⁷ = 108875471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109006549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54503271 + 54503272.

It is an arithmetic number, because the mean of its divisors is an integer number (54503272).

Almost surely, 2^109006543 is an apocalyptic number.

109006543 is a deficient number, since it is larger than the sum of its proper divisors (1).

109006543 is an equidigital number, since it uses as much as digits as its factorization.

109006543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 109006543 is about 10440.6198570775. The cubic root of 109006543 is about 477.6951760071.

The spelling of 109006543 in words is "one hundred nine million, six thousand, five hundred forty-three".