4243725 has 24 divisors (see below), whose sum is σ = 7797120. Its totient is φ = 2262960.

The previous prime is 4243721. The next prime is 4243747. The reversal of 4243725 is 5273424.

It is not a de Polignac number, because 4243725 - 2² = 4243721 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a d-powerful number, because it can be written as 4⁷ + 2⁷ + 4¹¹ + 3² + 7 + 2¹⁵ + 5³ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4243721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2469 + ... + 3818.

It is an arithmetic number, because the mean of its divisors is an integer number (324880).

Almost surely, 2^4243725 is an apocalyptic number.

4243725 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4243725 is a deficient number, since it is larger than the sum of its proper divisors (3553395).

4243725 is a wasteful number, since it uses less digits than its factorization.

4243725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6306 (or 6295 counting only the distinct ones).

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

The square root of 4243725 is about 2060.0303395824. The cubic root of 4243725 is about 161.9008309380.

The spelling of 4243725 in words is "four million, two hundred forty-three thousand, seven hundred twenty-five".