4004925 has 24 divisors (see below), whose sum is σ = 6728736. Its totient is φ = 2101440.

The previous prime is 4004909. The next prime is 4004933. The reversal of 4004925 is 5294004.

It is not a de Polignac number, because 4004925 - 2⁴ = 4004909 is a prime.

4004925 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4004895 and 4004904.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4627 + ... + 5423.

It is an arithmetic number, because the mean of its divisors is an integer number (280364).

Almost surely, 2^4004925 is an apocalyptic number.

It is an amenable number.

4004925 is a deficient number, since it is larger than the sum of its proper divisors (2723811).

4004925 is a wasteful number, since it uses less digits than its factorization.

4004925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877 (or 872 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 4004925 is about 2001.2308712390. The cubic root of 4004925 is about 158.8052280615.

Adding to 4004925 its reverse (5294004), we get a palindrome (9298929).

The spelling of 4004925 in words is "four million, four thousand, nine hundred twenty-five".