4509173 has 4 divisors (see below), whose sum is σ = 4705248. Its totient is φ = 4313100.

The previous prime is 4509163. The next prime is 4509179. The reversal of 4509173 is 3719054.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4509173 is a prime.

It is a super-2 number, since 2×4509173² = 40665282287858, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4509179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98003 + ... + 98048.

It is an arithmetic number, because the mean of its divisors is an integer number (1176312).

Almost surely, 2^4509173 is an apocalyptic number.

It is an amenable number.

4509173 is a deficient number, since it is larger than the sum of its proper divisors (196075).

4509173 is a wasteful number, since it uses less digits than its factorization.

4509173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196074.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 4509173 is about 2123.4813396873. The cubic root of 4509173 is about 165.2084662277.

The spelling of 4509173 in words is "four million, five hundred nine thousand, one hundred seventy-three".