204522025 has 24 divisors (see below), whose sum is σ = 259313760. Its totient is φ = 159968640.

The previous prime is 204522011. The next prime is 204522067. The reversal of 204522025 is 520225402.

It is a happy number.

It is not a de Polignac number, because 204522025 - 2⁷ = 204521897 is a prime.

It is a super-3 number, since 3×204522025³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 204521987 and 204522005.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 461454 + ... + 461896.

It is an arithmetic number, because the mean of its divisors is an integer number (10804740).

Almost surely, 2^204522025 is an apocalyptic number.

204522025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

204522025 is a deficient number, since it is larger than the sum of its proper divisors (54791735).

204522025 is a wasteful number, since it uses less digits than its factorization.

204522025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825 (or 820 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 204522025 is about 14301.1197114072. The cubic root of 204522025 is about 589.1782344886.

Adding to 204522025 its reverse (520225402), we get a palindrome (724747427).

The spelling of 204522025 in words is "two hundred four million, five hundred twenty-two thousand, twenty-five".