109573 has 8 divisors (see below), whose sum is σ = 118400. Its totient is φ = 101088.

The previous prime is 109567. The next prime is 109579. The reversal of 109573 is 375901.

It is an interprime number because it is at equal distance from previous prime (109567) and next prime (109579).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 109573 - 2⁵ = 109541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1348 + ... + 1426.

It is an arithmetic number, because the mean of its divisors is an integer number (14800).

2¹⁰⁹⁵⁷³ is an apocalyptic number.

It is an amenable number.

109573 is a deficient number, since it is larger than the sum of its proper divisors (8827).

109573 is an equidigital number, since it uses as much as digits as its factorization.

109573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171.

The product of its (nonzero) digits is 945, while the sum is 25.

The square root of 109573 is about 331.0181263919. The cubic root of 109573 is about 47.8521201064.

The spelling of 109573 in words is "one hundred nine thousand, five hundred seventy-three".