4425643 has 8 divisors (see below), whose sum is σ = 4548096. Its totient is φ = 4305000.

The previous prime is 4425623. The next prime is 4425647. The reversal of 4425643 is 3465244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4425643 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4425647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5518 + ... + 6268.

It is an arithmetic number, because the mean of its divisors is an integer number (568512).

Almost surely, 2^4425643 is an apocalyptic number.

4425643 is a deficient number, since it is larger than the sum of its proper divisors (122453).

4425643 is an equidigital number, since it uses as much as digits as its factorization.

4425643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905.

The product of its digits is 11520, while the sum is 28.

The square root of 4425643 is about 2103.7212267789. The cubic root of 4425643 is about 164.1819688497.

The spelling of 4425643 in words is "four million, four hundred twenty-five thousand, six hundred forty-three".