444209125 has 8 divisors (see below), whose sum is σ = 554373144. Its totient is φ = 355367200.

The previous prime is 444209123. The next prime is 444209131. The reversal of 444209125 is 521902444.

It can be written as a sum of positive squares in 4 ways, for example, as 59382436 + 384826689 = 7706^2 + 19617^2 .

It is not a de Polignac number, because 444209125 - 2¹ = 444209123 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444209123) 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 7 ways as a sum of consecutive naturals, for example, 1776712 + ... + 1776961.

It is an arithmetic number, because the mean of its divisors is an integer number (69296643).

Almost surely, 2^444209125 is an apocalyptic number.

It is an amenable number.

444209125 is a deficient number, since it is larger than the sum of its proper divisors (110164019).

444209125 is an equidigital number, since it uses as much as digits as its factorization.

444209125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3553688 (or 3553678 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 444209125 is about 21076.2692381740. The cubic root of 444209125 is about 763.0081178313.

The spelling of 444209125 in words is "four hundred forty-four million, two hundred nine thousand, one hundred twenty-five".