4423725 has 18 divisors (see below), whose sum is σ = 7923786. Its totient is φ = 2359200.

The previous prime is 4423721. The next prime is 4423729. The reversal of 4423725 is 5273244.

It is an interprime number because it is at equal distance from previous prime (4423721) and next prime (4423729).

It can be written as a sum of positive squares in 3 ways, for example, as 335241 + 4088484 = 579^2 + 2022^2 .

It is not a de Polignac number, because 4423725 - 2² = 4423721 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4423721) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 9606 + ... + 10055.

Almost surely, 2^4423725 is an apocalyptic number.

4423725 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4423725 is a deficient number, since it is larger than the sum of its proper divisors (3500061).

4423725 is a wasteful number, since it uses less digits than its factorization.

4423725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19677 (or 19669 counting only the distinct ones).

The product of its digits is 6720, while the sum is 27.

The square root of 4423725 is about 2103.2653184988. The cubic root of 4423725 is about 164.1582475119.

Adding to 4423725 its reverse (5273244), we get a palindrome (9696969).

The spelling of 4423725 in words is "four million, four hundred twenty-three thousand, seven hundred twenty-five".