2517172255 has 16 divisors (see below), whose sum is σ = 3357897984. Its totient is φ = 1798871040.

The previous prime is 2517172253. The next prime is 2517172261. The reversal of 2517172255 is 5522717152.

It is not a de Polignac number, because 2517172255 - 2¹ = 2517172253 is a prime.

It is a super-2 number, since 2×2517172255² = 12672312322683570050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2517172253) 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 15 ways as a sum of consecutive naturals, for example, 622594 + ... + 626623.

It is an arithmetic number, because the mean of its divisors is an integer number (209868624).

Almost surely, 2^2517172255 is an apocalyptic number.

2517172255 is a deficient number, since it is larger than the sum of its proper divisors (840725729).

2517172255 is a wasteful number, since it uses less digits than its factorization.

2517172255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1249266.

The product of its digits is 49000, while the sum is 37.

The square root of 2517172255 is about 50171.4286721038. The cubic root of 2517172255 is about 1360.3092316940.

The spelling of 2517172255 in words is "two billion, five hundred seventeen million, one hundred seventy-two thousand, two hundred fifty-five".