4445525025 has 60 divisors (see below), whose sum is σ = 8457349692. Its totient is φ = 2306828160.

The previous prime is 4445524969. The next prime is 4445525039. The reversal of 4445525025 is 5205255444.

It can be written as a sum of positive squares in 6 ways, for example, as 18352656 + 4427172369 = 4284^2 + 66537^2 .

It is not a de Polignac number, because 4445525025 - 2¹⁹ = 4445000737 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 45259 + ... + 104591.

Almost surely, 2^4445525025 is an apocalyptic number.

4445525025 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4445525025 is a deficient number, since it is larger than the sum of its proper divisors (4011824667).

4445525025 is a wasteful number, since it uses less digits than its factorization.

4445525025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59392 (or 59378 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 36.

The square root of 4445525025 is about 66674.7705282890. The cubic root of 4445525025 is about 1644.2746191303.

The spelling of 4445525025 in words is "four billion, four hundred forty-five million, five hundred twenty-five thousand, twenty-five".