2004540225 has 48 divisors (see below), whose sum is σ = 3413781504. Its totient is φ = 1037248000.

The previous prime is 2004540217. The next prime is 2004540257. The reversal of 2004540225 is 5220454002.

It is a happy number.

It is not a de Polignac number, because 2004540225 - 2³ = 2004540217 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2004540195 and 2004540204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 585619 + ... + 589031.

It is an arithmetic number, because the mean of its divisors is an integer number (71120448).

Almost surely, 2^2004540225 is an apocalyptic number.

2004540225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2004540225 is a deficient number, since it is larger than the sum of its proper divisors (1409241279).

2004540225 is a wasteful number, since it uses less digits than its factorization.

2004540225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3658 (or 3653 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 2004540225 is about 44772.0920328724. The cubic root of 2004540225 is about 1260.8737168792.

Adding to 2004540225 its reverse (5220454002), we get a palindrome (7224994227).

The spelling of 2004540225 in words is "two billion, four million, five hundred forty thousand, two hundred twenty-five".