4451448325 has 6 divisors (see below), whose sum is σ = 5519795954. Its totient is φ = 3561158640.

The previous prime is 4451448319. The next prime is 4451448367. The reversal of 4451448325 is 5238441544.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 86731969 + 4364716356 = 9313^2 + 66066^2 .

It is not a de Polignac number, because 4451448325 - 2²⁹ = 3914577413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 89028942 + ... + 89028991.

Almost surely, 2^4451448325 is an apocalyptic number.

It is an amenable number.

4451448325 is a deficient number, since it is larger than the sum of its proper divisors (1068347629).

4451448325 is a wasteful number, since it uses less digits than its factorization.

4451448325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178057943 (or 178057938 counting only the distinct ones).

The product of its digits is 307200, while the sum is 40.

The square root of 4451448325 is about 66719.1750923226. The cubic root of 4451448325 is about 1645.0045823544.

Adding to 4451448325 its reverse (5238441544), we get a palindrome (9689889869).

The spelling of 4451448325 in words is "four billion, four hundred fifty-one million, four hundred forty-eight thousand, three hundred twenty-five".