4425561 has 24 divisors (see below), whose sum is σ = 7363200. Its totient is φ = 2509056.

The previous prime is 4425541. The next prime is 4425571. The reversal of 4425561 is 1655244.

It is not a de Polignac number, because 4425561 - 2⁶ = 4425497 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4425521) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 12361 + ... + 12713.

It is an arithmetic number, because the mean of its divisors is an integer number (306800).

Almost surely, 2^4425561 is an apocalyptic number.

It is an amenable number.

4425561 is a deficient number, since it is larger than the sum of its proper divisors (2937639).

4425561 is a wasteful number, since it uses less digits than its factorization.

4425561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565 (or 562 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 4425561 is about 2103.7017374143. The cubic root of 4425561 is about 164.1809548347.

The spelling of 4425561 in words is "four million, four hundred twenty-five thousand, five hundred sixty-one".