109905361 has 2 divisors, whose sum is σ = 109905362. Its totient is φ = 109905360.

The previous prime is 109905311. The next prime is 109905403. The reversal of 109905361 is 163509901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106998336 + 2907025 = 10344^2 + 1705^2 .

It is an emirp because it is prime and its reverse (163509901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 109905361 - 2⁹ = 109904849 is a prime.

It is not a weakly prime, because it can be changed into another prime (109905311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54952680 + 54952681.

It is an arithmetic number, because the mean of its divisors is an integer number (54952681).

Almost surely, 2^109905361 is an apocalyptic number.

It is an amenable number.

109905361 is a deficient number, since it is larger than the sum of its proper divisors (1).

109905361 is an equidigital number, since it uses as much as digits as its factorization.

109905361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7290, while the sum is 34.

The square root of 109905361 is about 10483.5757735612. The cubic root of 109905361 is about 479.0045356184.

The spelling of 109905361 in words is "one hundred nine million, nine hundred five thousand, three hundred sixty-one".