544989025 has 81 divisors (see below), whose sum is σ = 851098521. Its totient is φ = 345132480.

The previous prime is 544989023. The next prime is 544989037. The reversal of 544989025 is 520989445.

The square root of 544989025 is 23345.

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 7491169 + 537497856 = 2737^2 + 23184^2 .

It is not a de Polignac number, because 544989025 - 2¹ = 544989023 is a prime.

It is not an unprimeable number, because it can be changed into a prime (544989023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 18792711 + ... + 18792739.

Almost surely, 2^544989025 is an apocalyptic number.

544989025 is the 23345-th square number.

544989025 is the 11673-rd centered octagonal number.

It is an amenable number.

544989025 is a deficient number, since it is larger than the sum of its proper divisors (306109496).

544989025 is a wasteful number, since it uses less digits than its factorization.

544989025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128 (or 64 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 46.

The cubic root of 544989025 is about 816.8254339848.

Multiplying 544989025 by its product of nonzero digits (518400), we get a square (282522310560000 = 16808400²).

The spelling of 544989025 in words is "five hundred forty-four million, nine hundred eighty-nine thousand, twenty-five".