109909297 has 2 divisors, whose sum is σ = 109909298. Its totient is φ = 109909296.

The previous prime is 109909259. The next prime is 109909309. The reversal of 109909297 is 792909901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109809441 + 99856 = 10479^2 + 316^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109909297 is a prime.

It is not a weakly prime, because it can be changed into another prime (109909697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54954648 + 54954649.

It is an arithmetic number, because the mean of its divisors is an integer number (54954649).

Almost surely, 2^109909297 is an apocalyptic number.

It is an amenable number.

109909297 is a deficient number, since it is larger than the sum of its proper divisors (1).

109909297 is an equidigital number, since it uses as much as digits as its factorization.

109909297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 91854, while the sum is 46.

The square root of 109909297 is about 10483.7634940893. The cubic root of 109909297 is about 479.0102536875.

The spelling of 109909297 in words is "one hundred nine million, nine hundred nine thousand, two hundred ninety-seven".