109397 has 2 divisors, whose sum is σ = 109398. Its totient is φ = 109396.

The previous prime is 109391. The next prime is 109423. The reversal of 109397 is 793901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108241 + 1156 = 329^2 + 34^2 .

It is an emirp because it is prime and its reverse (793901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 109397 - 2⁸ = 109141 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54698 + 54699.

It is an arithmetic number, because the mean of its divisors is an integer number (54699).

2¹⁰⁹³⁹⁷ is an apocalyptic number.

It is an amenable number.

109397 is a deficient number, since it is larger than the sum of its proper divisors (1).

109397 is an equidigital number, since it uses as much as digits as its factorization.

109397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1701, while the sum is 29.

The square root of 109397 is about 330.7521730843. The cubic root of 109397 is about 47.8264857914.

The spelling of 109397 in words is "one hundred nine thousand, three hundred ninety-seven".