4425845 has 4 divisors (see below), whose sum is σ = 5311020. Its totient is φ = 3540672.

The previous prime is 4425833. The next prime is 4425851. The reversal of 4425845 is 5485244.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 654481 + 3771364 = 809^2 + 1942^2 .

It is a cyclic number.

It is not a de Polignac number, because 4425845 - 2⁶ = 4425781 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 442580 + ... + 442589.

It is an arithmetic number, because the mean of its divisors is an integer number (1327755).

Almost surely, 2^4425845 is an apocalyptic number.

It is an amenable number.

4425845 is a deficient number, since it is larger than the sum of its proper divisors (885175).

4425845 is an equidigital number, since it uses as much as digits as its factorization.

4425845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885174.

The product of its digits is 25600, while the sum is 32.

The square root of 4425845 is about 2103.7692363945. The cubic root of 4425845 is about 164.1844667356.

The spelling of 4425845 in words is "four million, four hundred twenty-five thousand, eight hundred forty-five".