109752217 has 2 divisors, whose sum is σ = 109752218. Its totient is φ = 109752216.

The previous prime is 109752197. The next prime is 109752317. The reversal of 109752217 is 712257901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61921161 + 47831056 = 7869^2 + 6916^2 .

It is a cyclic number.

It is not a de Polignac number, because 109752217 - 2⁷ = 109752089 is a prime.

It is not a weakly prime, because it can be changed into another prime (109752317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54876108 + 54876109.

It is an arithmetic number, because the mean of its divisors is an integer number (54876109).

Almost surely, 2^109752217 is an apocalyptic number.

It is an amenable number.

109752217 is a deficient number, since it is larger than the sum of its proper divisors (1).

109752217 is an equidigital number, since it uses as much as digits as its factorization.

109752217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8820, while the sum is 34.

The square root of 109752217 is about 10476.2692309810. The cubic root of 109752217 is about 478.7819478438.

The spelling of 109752217 in words is "one hundred nine million, seven hundred fifty-two thousand, two hundred seventeen".