5220516674025 has 81 divisors (see below), whose sum is σ = 9869791177701. Its totient is φ = 2637405722880.

The previous prime is 5220516674011. The next prime is 5220516674029. The reversal of 5220516674025 is 5204766150225.

The square root of 5220516674025 is 2284845.

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

5220516674025 is a `hidden beast` number, since 5 + 220 + 5 + 16 + 6 + 7 + 402 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 21076942041 + 5199439731984 = 145179^2 + 2280228^2 .

It is a de Polignac number, because none of the positive numbers 2^k-5220516674025 is a prime.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5220516674029) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 651176817 + ... + 651184833.

Almost surely, 2^{5220516674025} is an apocalyptic number.

5220516674025 is the 2284845-th square number.

5220516674025 is the 1142423-rd centered octagonal number.

It is an amenable number.

5220516674025 is a deficient number, since it is larger than the sum of its proper divisors (4649274503676).

5220516674025 is an frugal number, since it uses more digits than its factorization.

5220516674025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16088 (or 8044 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 45.

The spelling of 5220516674025 in words is "five trillion, two hundred twenty billion, five hundred sixteen million, six hundred seventy-four thousand, twenty-five".