110609 has 2 divisors, whose sum is σ = 110610. Its totient is φ = 110608.

The previous prime is 110603. The next prime is 110623. The reversal of 110609 is 906011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107584 + 3025 = 328^2 + 55^2 .

It is an emirp because it is prime and its reverse (906011) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110609 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (110603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55304 + 55305.

It is an arithmetic number, because the mean of its divisors is an integer number (55305).

2¹¹⁰⁶⁰⁹ is an apocalyptic number.

It is an amenable number.

110609 is a deficient number, since it is larger than the sum of its proper divisors (1).

110609 is an equidigital number, since it uses as much as digits as its factorization.

110609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 110609 is about 332.5793138486. The cubic root of 110609 is about 48.0024593647.

Subtracting from 110609 its sum of digits (17), we obtain a cube (110592 = 48³).

The spelling of 110609 in words is "one hundred ten thousand, six hundred nine".