5172009 has 16 divisors (see below), whose sum is σ = 7495680. Its totient is φ = 3160080.

The previous prime is 5172001. The next prime is 5172017. The reversal of 5172009 is 9002715.

It is an interprime number because it is at equal distance from previous prime (5172001) and next prime (5172017).

It is not a de Polignac number, because 5172009 - 2³ = 5172001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5172009.

It is not an unprimeable number, because it can be changed into a prime (5172001) 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 15 ways as a sum of consecutive naturals, for example, 304 + ... + 3230.

It is an arithmetic number, because the mean of its divisors is an integer number (468480).

Almost surely, 2^5172009 is an apocalyptic number.

It is an amenable number.

5172009 is a deficient number, since it is larger than the sum of its proper divisors (2323671).

5172009 is a wasteful number, since it uses less digits than its factorization.

5172009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2980.

The product of its (nonzero) digits is 630, while the sum is 24.

The square root of 5172009 is about 2274.2051358662. The cubic root of 5172009 is about 172.9364039469.

The spelling of 5172009 in words is "five million, one hundred seventy-two thousand, nine".