109417249 has 2 divisors, whose sum is σ = 109417250. Its totient is φ = 109417248.

The previous prime is 109417207. The next prime is 109417271. The reversal of 109417249 is 942714901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109307025 + 110224 = 10455^2 + 332^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109417249 is a prime.

It is not a weakly prime, because it can be changed into another prime (109417349) 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 as a sum of consecutive naturals, namely, 54708624 + 54708625.

It is an arithmetic number, because the mean of its divisors is an integer number (54708625).

Almost surely, 2^109417249 is an apocalyptic number.

It is an amenable number.

109417249 is a deficient number, since it is larger than the sum of its proper divisors (1).

109417249 is an equidigital number, since it uses as much as digits as its factorization.

109417249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 109417249 is about 10460.2700251953. The cubic root of 109417249 is about 478.2943644745.

The spelling of 109417249 in words is "one hundred nine million, four hundred seventeen thousand, two hundred forty-nine".