4421504125 has 16 divisors (see below), whose sum is σ = 5527529280. Its totient is φ = 3531118800.

The previous prime is 4421504123. The next prime is 4421504137. The reversal of 4421504125 is 5214051244.

It is not a de Polignac number, because 4421504125 - 2¹ = 4421504123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4421504093 and 4421504102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4421504123) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 43246 + ... + 103504.

It is an arithmetic number, because the mean of its divisors is an integer number (345470580).

Almost surely, 2^4421504125 is an apocalyptic number.

It is an amenable number.

4421504125 is a deficient number, since it is larger than the sum of its proper divisors (1106025155).

4421504125 is an equidigital number, since it uses as much as digits as its factorization.

4421504125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60861 (or 60851 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 4421504125 is about 66494.3916808027. The cubic root of 4421504125 is about 1641.3077172506.

Adding to 4421504125 its reverse (5214051244), we get a palindrome (9635555369).

The spelling of 4421504125 in words is "four billion, four hundred twenty-one million, five hundred four thousand, one hundred twenty-five".