5217227015625 has 63 divisors (see below), whose sum is σ = 9421419423819. Its totient is φ = 2782064250000.

The previous prime is 5217227015587. The next prime is 5217227015629. The reversal of 5217227015625 is 5265107227125.

The square root of 5217227015625 is 2284125.

It is a perfect power (a square), and thus also a powerful number.

5217227015625 is a `hidden beast` number, since 5 + 2 + 1 + 7 + 2 + 2 + 7 + 0 + 15 + 625 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 4570791719481 + 646435296144 = 2137941^2 + 804012^2 .

It is not a de Polignac number, because 5217227015625 - 2¹⁵ = 5217226982857 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (5217227015629) by changing a digit.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 856543830 + ... + 856549920.

Almost surely, 2^{5217227015625} is an apocalyptic number.

5217227015625 is the 2284125-th square number.

5217227015625 is the 1142063-rd centered octagonal number.

It is an amenable number.

5217227015625 is a deficient number, since it is larger than the sum of its proper divisors (4204192408194).

5217227015625 is an frugal number, since it uses more digits than its factorization.

5217227015625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12218 (or 6099 counting only the distinct ones).

The product of its (nonzero) digits is 588000, while the sum is 45.

The spelling of 5217227015625 in words is "five trillion, two hundred seventeen billion, two hundred twenty-seven million, fifteen thousand, six hundred twenty-five".