4521443125 has 10 divisors (see below), whose sum is σ = 5649996110. Its totient is φ = 3617154000.

The previous prime is 4521443117. The next prime is 4521443149. The reversal of 4521443125 is 5213441254.

It can be written as a sum of positive squares in 5 ways, for example, as 1996481124 + 2524962001 = 44682^2 + 50249^2 .

It is not a de Polignac number, because 4521443125 - 2³ = 4521443117 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3616530 + ... + 3617779.

It is an arithmetic number, because the mean of its divisors is an integer number (564999611).

Almost surely, 2^4521443125 is an apocalyptic number.

It is an amenable number.

4521443125 is a deficient number, since it is larger than the sum of its proper divisors (1128552985).

4521443125 is an frugal number, since it uses more digits than its factorization.

4521443125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7234329 (or 7234314 counting only the distinct ones).

The product of its digits is 19200, while the sum is 31.

The square root of 4521443125 is about 67241.6769942571. The cubic root of 4521443125 is about 1653.5818271311.

Adding to 4521443125 its reverse (5213441254), we get a palindrome (9734884379).

The spelling of 4521443125 in words is "four billion, five hundred twenty-one million, four hundred forty-three thousand, one hundred twenty-five".