204025506 has 8 divisors (see below), whose sum is σ = 408051024. Its totient is φ = 68008500.

The previous prime is 204025501. The next prime is 204025513. The reversal of 204025506 is 605520402.

204025506 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

204025506 is an admirable number.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (204025501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17002120 + ... + 17002131.

It is an arithmetic number, because the mean of its divisors is an integer number (51006378).

Almost surely, 2^204025506 is an apocalyptic number.

204025506 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204025506 is a wasteful number, since it uses less digits than its factorization.

204025506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34004256.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 204025506 is about 14283.7497177737. The cubic root of 204025506 is about 588.7010646261.

Adding to 204025506 its reverse (605520402), we get a palindrome (809545908).

The spelling of 204025506 in words is "two hundred four million, twenty-five thousand, five hundred six".