5172257 has 4 divisors (see below), whose sum is σ = 5339136. Its totient is φ = 5005380.

The previous prime is 5172253. The next prime is 5172259. The reversal of 5172257 is 7522715.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7522715 = 5 ⋅1504543.

It is a cyclic number.

It is not a de Polignac number, because 5172257 - 2² = 5172253 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5172253) 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, 83393 + ... + 83454.

It is an arithmetic number, because the mean of its divisors is an integer number (1334784).

Almost surely, 2^5172257 is an apocalyptic number.

It is an amenable number.

5172257 is a deficient number, since it is larger than the sum of its proper divisors (166879).

5172257 is a wasteful number, since it uses less digits than its factorization.

5172257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166878.

The product of its digits is 4900, while the sum is 29.

The square root of 5172257 is about 2274.2596597574. The cubic root of 5172257 is about 172.9391680271.

The spelling of 5172257 in words is "five million, one hundred seventy-two thousand, two hundred fifty-seven".