109162573 has 4 divisors (see below), whose sum is σ = 117559708. Its totient is φ = 100765440.

The previous prime is 109162523. The next prime is 109162591. The reversal of 109162573 is 375261901.

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 34892649 + 74269924 = 5907^2 + 8618^2 .

It is a cyclic number.

It is not a de Polignac number, because 109162573 - 2²¹ = 107065421 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 (109162523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4198548 + ... + 4198573.

It is an arithmetic number, because the mean of its divisors is an integer number (29389927).

Almost surely, 2^109162573 is an apocalyptic number.

109162573 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

109162573 is a deficient number, since it is larger than the sum of its proper divisors (8397135).

109162573 is an equidigital number, since it uses as much as digits as its factorization.

109162573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8397134.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 109162573 is about 10448.0894425727. The cubic root of 109162573 is about 477.9229887662.

The spelling of 109162573 in words is "one hundred nine million, one hundred sixty-two thousand, five hundred seventy-three".