5172712249 has 2 divisors, whose sum is σ = 5172712250. Its totient is φ = 5172712248.

The previous prime is 5172712241. The next prime is 5172712289. The reversal of 5172712249 is 9422172715.

It is an a-pointer prime, because the next prime (5172712289) can be obtained adding 5172712249 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4525925625 + 646786624 = 67275^2 + 25432^2 .

It is a cyclic number.

It is not a de Polignac number, because 5172712249 - 2³ = 5172712241 is a prime.

It is not a weakly prime, because it can be changed into another prime (5172712241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2586356124 + 2586356125.

It is an arithmetic number, because the mean of its divisors is an integer number (2586356125).

Almost surely, 2^5172712249 is an apocalyptic number.

It is an amenable number.

5172712249 is a deficient number, since it is larger than the sum of its proper divisors (1).

5172712249 is an equidigital number, since it uses as much as digits as its factorization.

5172712249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 70560, while the sum is 40.

The square root of 5172712249 is about 71921.5701232947. The cubic root of 5172712249 is about 1729.4424176788.

The spelling of 5172712249 in words is "five billion, one hundred seventy-two million, seven hundred twelve thousand, two hundred forty-nine".