204500413225 has 12 divisors (see below), whose sum is σ = 253608840540. Its totient is φ = 163582054400.

The previous prime is 204500413219. The next prime is 204500413253. The reversal of 204500413225 is 522314005402.

It can be written as a sum of positive squares in 6 ways, for example, as 5677170409 + 198823242816 = 75347^2 + 445896^2 .

It is not a de Polignac number, because 204500413225 - 2²⁵ = 204466858793 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 204500413193 and 204500413202.

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, 226360 + ... + 678409.

It is an arithmetic number, because the mean of its divisors is an integer number (21134070045).

Almost surely, 2^204500413225 is an apocalyptic number.

204500413225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

204500413225 is a deficient number, since it is larger than the sum of its proper divisors (49108427315).

204500413225 is an equidigital number, since it uses as much as digits as its factorization.

204500413225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913820 (or 913815 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 204500413225 its reverse (522314005402), we get a palindrome (726814418627).

The spelling of 204500413225 in words is "two hundred four billion, five hundred million, four hundred thirteen thousand, two hundred twenty-five".