109072547 has 2 divisors, whose sum is σ = 109072548. Its totient is φ = 109072546.

The previous prime is 109072531. The next prime is 109072573. The reversal of 109072547 is 745270901.

It is a weak prime.

It is an emirp because it is prime and its reverse (745270901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 109072547 - 2⁴ = 109072531 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (109072577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54536273 + 54536274.

It is an arithmetic number, because the mean of its divisors is an integer number (54536274).

Almost surely, 2^109072547 is an apocalyptic number.

109072547 is a deficient number, since it is larger than the sum of its proper divisors (1).

109072547 is an equidigital number, since it uses as much as digits as its factorization.

109072547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 109072547 is about 10443.7803021703. The cubic root of 109072547 is about 477.7915721494.

It can be divided in two parts, 1090 and 72547, that added together give a palindrome (73637).

The spelling of 109072547 in words is "one hundred nine million, seventy-two thousand, five hundred forty-seven".