1004425609 has 16 divisors (see below), whose sum is σ = 1124660160. Its totient is φ = 889320960.

The previous prime is 1004425577. The next prime is 1004425613. The reversal of 1004425609 is 9065244001.

It is not a de Polignac number, because 1004425609 - 2⁵ = 1004425577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1004425649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57937 + ... + 73249.

It is an arithmetic number, because the mean of its divisors is an integer number (70291260).

Almost surely, 2^1004425609 is an apocalyptic number.

It is an amenable number.

1004425609 is a deficient number, since it is larger than the sum of its proper divisors (120234551).

1004425609 is a wasteful number, since it uses less digits than its factorization.

1004425609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15480.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 1004425609 is about 31692.6743743724. The cubic root of 1004425609 is about 1001.4730321110.

It can be divided in two parts, 10044 and 25609, that added together give a palindrome (35653).

The spelling of 1004425609 in words is "one billion, four million, four hundred twenty-five thousand, six hundred nine".