4425681 has 16 divisors (see below), whose sum is σ = 6528704. Its totient is φ = 2649024.

The previous prime is 4425679. The next prime is 4425691. The reversal of 4425681 is 1865244.

It is not a de Polignac number, because 4425681 - 2¹ = 4425679 is a prime.

It is a super-2 number, since 2×4425681² = 39173304627522, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4425671) 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 15 ways as a sum of consecutive naturals, for example, 91 + ... + 2976.

It is an arithmetic number, because the mean of its divisors is an integer number (408044).

Almost surely, 2^4425681 is an apocalyptic number.

It is an amenable number.

4425681 is a deficient number, since it is larger than the sum of its proper divisors (2103023).

4425681 is a wasteful number, since it uses less digits than its factorization.

4425681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3120.

The product of its digits is 7680, while the sum is 30.

The square root of 4425681 is about 2103.7302583744. The cubic root of 4425681 is about 164.1824387548.

The spelling of 4425681 in words is "four million, four hundred twenty-five thousand, six hundred eighty-one".