5172255 has 64 divisors (see below), whose sum is σ = 10391040. Its totient is φ = 2449440.

The previous prime is 5172253. The next prime is 5172259. The reversal of 5172255 is 5522715.

It is a happy number.

It is not a de Polignac number, because 5172255 - 2¹ = 5172253 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5172253) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 120264 + ... + 120306.

It is an arithmetic number, because the mean of its divisors is an integer number (162360).

Almost surely, 2^5172255 is an apocalyptic number.

5172255 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5172255 is an abundant number, since it is smaller than the sum of its proper divisors (5218785).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5172255 is an equidigital number, since it uses as much as digits as its factorization.

5172255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80 (or 62 counting only the distinct ones).

The product of its digits is 3500, while the sum is 27.

The square root of 5172255 is about 2274.2592200539. The cubic root of 5172255 is about 172.9391457365.

It can be divided in two parts, 517 and 2255, that added together give a palindrome (2772).

The spelling of 5172255 in words is "five million, one hundred seventy-two thousand, two hundred fifty-five".