52020145225 has 12 divisors (see below), whose sum is σ = 64772643100. Its totient is φ = 41443430400.

The previous prime is 52020145207. The next prime is 52020145237. The reversal of 52020145225 is 52254102025.

It can be written as a sum of positive squares in 6 ways, for example, as 1968164496 + 50051980729 = 44364^2 + 223723^2 .

It is not a de Polignac number, because 52020145225 - 2¹¹ = 52020143177 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52020145193 and 52020145202.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4311000 + ... + 4323049.

Almost surely, 2^52020145225 is an apocalyptic number.

It is an amenable number.

52020145225 is a deficient number, since it is larger than the sum of its proper divisors (12752497875).

52020145225 is a wasteful number, since it uses less digits than its factorization.

52020145225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8634300 (or 8634295 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

The spelling of 52020145225 in words is "fifty-two billion, twenty million, one hundred forty-five thousand, two hundred twenty-five".