4172003 has 4 divisors (see below), whose sum is σ = 4551288. Its totient is φ = 3792720.

The previous prime is 4171991. The next prime is 4172029. The reversal of 4172003 is 3002714.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 4172003 - 2¹⁰ = 4170979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4171003) 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, 189626 + ... + 189647.

It is an arithmetic number, because the mean of its divisors is an integer number (1137822).

Almost surely, 2^4172003 is an apocalyptic number.

4172003 is a deficient number, since it is larger than the sum of its proper divisors (379285).

4172003 is a wasteful number, since it uses less digits than its factorization.

4172003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379284.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 4172003 is about 2042.5481634468. The cubic root of 4172003 is about 160.9835637710.

Adding to 4172003 its reverse (3002714), we get a palindrome (7174717).

The spelling of 4172003 in words is "four million, one hundred seventy-two thousand, three".