5172786245 has 16 divisors (see below), whose sum is σ = 6776431488. Its totient is φ = 3759368640.

The previous prime is 5172786211. The next prime is 5172786247. The reversal of 5172786245 is 5426872715.

It is not a de Polignac number, because 5172786245 - 2¹⁸ = 5172524101 is a prime.

It is a super-2 number, since 2×5172786245² = 53515435072922400050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5172786245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5172786247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47087 + ... + 112083.

It is an arithmetic number, because the mean of its divisors is an integer number (423526968).

Almost surely, 2^5172786245 is an apocalyptic number.

5172786245 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5172786245 is a deficient number, since it is larger than the sum of its proper divisors (1603645243).

5172786245 is a wasteful number, since it uses less digits than its factorization.

5172786245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66460.

The product of its digits is 940800, while the sum is 47.

The square root of 5172786245 is about 71922.0845429274. The cubic root of 5172786245 is about 1729.4506642365.

The spelling of 5172786245 in words is "five billion, one hundred seventy-two million, seven hundred eighty-six thousand, two hundred forty-five".