109853 has 4 divisors (see below), whose sum is σ = 112860. Its totient is φ = 106848.

The previous prime is 109849. The next prime is 109859. The reversal of 109853 is 358901.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 41209 + 68644 = 203^2 + 262^2 .

It is a cyclic number.

It is not a de Polignac number, because 109853 - 2² = 109849 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1448 + ... + 1521.

It is an arithmetic number, because the mean of its divisors is an integer number (28215).

2¹⁰⁹⁸⁵³ is an apocalyptic number.

It is an amenable number.

109853 is a deficient number, since it is larger than the sum of its proper divisors (3007).

109853 is an equidigital number, since it uses as much as digits as its factorization.

109853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3006.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 109853 is about 331.4407941096. The cubic root of 109853 is about 47.8928454584.

The spelling of 109853 in words is "one hundred nine thousand, eight hundred fifty-three".