5206245354225 has 18 divisors (see below), whose sum is σ = 9324963901526. Its totient is φ = 2776664188800.

The previous prime is 5206245354217. The next prime is 5206245354251. The reversal of 5206245354225 is 5224535426025.

It is a happy number.

5206245354225 is a `hidden beast` number, since 5 + 2 + 0 + 62 + 45 + 3 + 542 + 2 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 1292352891489 + 3913892462736 = 1136817^2 + 1978356^2 .

It is not a de Polignac number, because 5206245354225 - 2³ = 5206245354217 is a prime.

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

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 11569433896 + ... + 11569434345.

Almost surely, 2^{5206245354225} is an apocalyptic number.

It is an amenable number.

5206245354225 is a deficient number, since it is larger than the sum of its proper divisors (4118718547301).

5206245354225 is a wasteful number, since it uses less digits than its factorization.

5206245354225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23138868257 (or 23138868249 counting only the distinct ones).

The product of its (nonzero) digits is 2880000, while the sum is 45.

The spelling of 5206245354225 in words is "five trillion, two hundred six billion, two hundred forty-five million, three hundred fifty-four thousand, two hundred twenty-five".