4002243125 has 20 divisors (see below), whose sum is σ = 5264439840. Its totient is φ = 3033270000.

The previous prime is 4002243101. The next prime is 4002243137. The reversal of 4002243125 is 5213422004.

It is a happy number.

It is not a de Polignac number, because 4002243125 - 2¹⁸ = 4001980981 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4002243125.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 156641 + ... + 180390.

It is an arithmetic number, because the mean of its divisors is an integer number (263221992).

Almost surely, 2^4002243125 is an apocalyptic number.

It is an amenable number.

4002243125 is a deficient number, since it is larger than the sum of its proper divisors (1262196715).

4002243125 is an equidigital number, since it uses as much as digits as its factorization.

4002243125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337070 (or 337055 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 4002243125 is about 63263.2841781076. The cubic root of 4002243125 is about 1587.6977247677.

Adding to 4002243125 its reverse (5213422004), we get a palindrome (9215665129).

The spelling of 4002243125 in words is "four billion, two million, two hundred forty-three thousand, one hundred twenty-five".