5172157 has 4 divisors (see below), whose sum is σ = 5203296. Its totient is φ = 5141020.

The previous prime is 5172151. The next prime is 5172163. The reversal of 5172157 is 7512715.

5172157 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 an interprime number because it is at equal distance from previous prime (5172151) and next prime (5172163).

It is a cyclic number.

It is not a de Polignac number, because 5172157 - 2³ = 5172149 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 (5172151) 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, 15319 + ... + 15652.

It is an arithmetic number, because the mean of its divisors is an integer number (1300824).

Almost surely, 2^5172157 is an apocalyptic number.

It is an amenable number.

5172157 is a deficient number, since it is larger than the sum of its proper divisors (31139).

5172157 is a wasteful number, since it uses less digits than its factorization.

5172157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31138.

The product of its digits is 2450, while the sum is 28.

The square root of 5172157 is about 2274.2376744747. The cubic root of 5172157 is about 172.9380534893.

It can be divided in two parts, 5172 and 157, that added together give a square (5329 = 73²).

The spelling of 5172157 in words is "five million, one hundred seventy-two thousand, one hundred fifty-seven".