4423125 has 40 divisors (see below), whose sum is σ = 8447296. Its totient is φ = 2016000.

The previous prime is 4423117. The next prime is 4423127. The reversal of 4423125 is 5213244.

It is not a de Polignac number, because 4423125 - 2³ = 4423117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a Curzon number.

4423125 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4423127) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 12957 + ... + 13293.

Almost surely, 2^4423125 is an apocalyptic number.

It is an amenable number.

4423125 is a deficient number, since it is larger than the sum of its proper divisors (4024171).

4423125 is an equidigital number, since it uses as much as digits as its factorization.

4423125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367 (or 352 counting only the distinct ones).

The product of its digits is 960, while the sum is 21.

The square root of 4423125 is about 2103.1226783048. The cubic root of 4423125 is about 164.1508254560.

Adding to 4423125 its reverse (5213244), we get a palindrome (9636369).

The spelling of 4423125 in words is "four million, four hundred twenty-three thousand, one hundred twenty-five".