443282982025 has 27 divisors (see below), whose sum is σ = 595263879189. Its totient is φ = 327315474720.

The previous prime is 443282982017. The next prime is 443282982083. The reversal of 443282982025 is 520289282344.

It is a happy number.

The square root of 443282982025 is 665795.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 114256844361 + 329026137664 = 338019^2 + 573608^2 .

It is not a de Polignac number, because 443282982025 - 2³ = 443282982017 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 443282982025.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 43271554 + ... + 43281796.

Almost surely, 2^443282982025 is an apocalyptic number.

443282982025 is the 665795-th square number.

443282982025 is the 332898-th centered octagonal number.

It is an amenable number.

443282982025 is a deficient number, since it is larger than the sum of its proper divisors (151980897164).

443282982025 is an frugal number, since it uses more digits than its factorization.

443282982025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20522 (or 10261 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 49.

Multiplying 443282982025 by its sum of digits (49), we get a square (21720866119225 = 4660565²).

The spelling of 443282982025 in words is "four hundred forty-three billion, two hundred eighty-two million, nine hundred eighty-two thousand, twenty-five".