4425609 has 4 divisors (see below), whose sum is σ = 5900816. Its totient is φ = 2950404.

The previous prime is 4425599. The next prime is 4425623. The reversal of 4425609 is 9065244.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4425609 - 2⁸ = 4425353 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4425679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 737599 + ... + 737604.

It is an arithmetic number, because the mean of its divisors is an integer number (1475204).

Almost surely, 2^4425609 is an apocalyptic number.

It is an amenable number.

4425609 is a deficient number, since it is larger than the sum of its proper divisors (1475207).

4425609 is a wasteful number, since it uses less digits than its factorization.

4425609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1475206.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 4425609 is about 2103.7131458447. The cubic root of 4425609 is about 164.1815484060.

The spelling of 4425609 in words is "four million, four hundred twenty-five thousand, six hundred nine".