4004425 has 12 divisors (see below), whose sum is σ = 5126656. Its totient is φ = 3099600.

The previous prime is 4004417. The next prime is 4004449. The reversal of 4004425 is 5244004.

4004425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4004425 - 2³ = 4004417 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1809 + ... + 3358.

Almost surely, 2^4004425 is an apocalyptic number.

It is an amenable number.

4004425 is a deficient number, since it is larger than the sum of its proper divisors (1122231).

4004425 is a wasteful number, since it uses less digits than its factorization.

4004425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5208 (or 5203 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 4004425 is about 2001.1059442218. The cubic root of 4004425 is about 158.7986190389.

Adding to 4004425 its reverse (5244004), we get a palindrome (9248429).

The spelling of 4004425 in words is "four million, four thousand, four hundred twenty-five".