2004206825 has 6 divisors (see below), whose sum is σ = 2485216494. Its totient is φ = 1603365440.

The previous prime is 2004206807. The next prime is 2004206833. The reversal of 2004206825 is 5286024002.

It can be written as a sum of positive squares in 3 ways, for example, as 4596736 + 1999610089 = 2144^2 + 44717^2 .

It is not a de Polignac number, because 2004206825 - 2⁸ = 2004206569 is a prime.

It is a Duffinian number.

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 5 ways as a sum of consecutive naturals, for example, 40084112 + ... + 40084161.

It is an arithmetic number, because the mean of its divisors is an integer number (414202749).

Almost surely, 2^2004206825 is an apocalyptic number.

2004206825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2004206825 is a deficient number, since it is larger than the sum of its proper divisors (481009669).

2004206825 is an equidigital number, since it uses as much as digits as its factorization.

2004206825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80168283 (or 80168278 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 2004206825 is about 44768.3685764849. The cubic root of 2004206825 is about 1260.8038091434.

The spelling of 2004206825 in words is "two billion, four million, two hundred six thousand, eight hundred twenty-five".