4451452025 has 24 divisors (see below), whose sum is σ = 5554994904. Its totient is φ = 3538534400.

The previous prime is 4451451971. The next prime is 4451452051. The reversal of 4451452025 is 5202541544.

It can be written as a sum of positive squares in 12 ways, for example, as 304607209 + 4146844816 = 17453^2 + 64396^2 .

It is not a de Polignac number, because 4451452025 - 2⁸ = 4451451769 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4451451982 and 4451452000.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4194995 + ... + 4196055.

It is an arithmetic number, because the mean of its divisors is an integer number (231458121).

Almost surely, 2^4451452025 is an apocalyptic number.

It is an amenable number.

4451452025 is a deficient number, since it is larger than the sum of its proper divisors (1103542879).

4451452025 is a wasteful number, since it uses less digits than its factorization.

4451452025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1981 (or 1976 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 32.

The square root of 4451452025 is about 66719.2028204774. The cubic root of 4451452025 is about 1645.0050381248.

Adding to 4451452025 its reverse (5202541544), we get a palindrome (9653993569).

The spelling of 4451452025 in words is "four billion, four hundred fifty-one million, four hundred fifty-two thousand, twenty-five".