444999025 has 9 divisors (see below), whose sum is σ = 551929611. Its totient is φ = 355914840.

The previous prime is 444999013. The next prime is 444999047. The reversal of 444999025 is 520999444.

It is a happy number.

The square root of 444999025 is 21095.

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

It can be written as a sum of positive squares in only one way, i.e., 160199649 + 284799376 = 12657^2 + 16876^2 .

It is not a de Polignac number, because 444999025 - 2⁵ = 444998993 is a prime.

It is a Duffinian number.

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 8 ways as a sum of consecutive naturals, for example, 103366 + ... + 107584.

Almost surely, 2^444999025 is an apocalyptic number.

444999025 is the 21095-th square number.

444999025 is the 10548-th centered octagonal number.

It is an amenable number.

444999025 is a deficient number, since it is larger than the sum of its proper divisors (106930586).

444999025 is an frugal number, since it uses more digits than its factorization.

444999025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8448 (or 4224 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 46.

The cubic root of 444999025 is about 763.4601145652.

The spelling of 444999025 in words is "four hundred forty-four million, nine hundred ninety-nine thousand, twenty-five".