2004825917 has 4 divisors (see below), whose sum is σ = 2005979196. Its totient is φ = 2003672640.

The previous prime is 2004825881. The next prime is 2004825919. The reversal of 2004825917 is 7195284002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 126990361 + 1877835556 = 11269^2 + 43334^2 .

It is a cyclic number.

It is not a de Polignac number, because 2004825917 - 2⁸ = 2004825661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2004825919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 574028 + ... + 577509.

It is an arithmetic number, because the mean of its divisors is an integer number (501494799).

Almost surely, 2^2004825917 is an apocalyptic number.

It is an amenable number.

2004825917 is a deficient number, since it is larger than the sum of its proper divisors (1153279).

2004825917 is a wasteful number, since it uses less digits than its factorization.

2004825917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153278.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 2004825917 is about 44775.2824335034. The cubic root of 2004825917 is about 1260.9336149741.

The spelling of 2004825917 in words is "two billion, four million, eight hundred twenty-five thousand, nine hundred seventeen".