444250481 has 2 divisors, whose sum is σ = 444250482. Its totient is φ = 444250480.

The previous prime is 444250459. The next prime is 444250517. The reversal of 444250481 is 184052444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 271722256 + 172528225 = 16484^2 + 13135^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-444250481 is a prime.

It is a super-2 number, since 2×444250481² = 394716979737462722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (444250421) 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 as a sum of consecutive naturals, namely, 222125240 + 222125241.

It is an arithmetic number, because the mean of its divisors is an integer number (222125241).

Almost surely, 2^444250481 is an apocalyptic number.

It is an amenable number.

444250481 is a deficient number, since it is larger than the sum of its proper divisors (1).

444250481 is an equidigital number, since it uses as much as digits as its factorization.

444250481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20480, while the sum is 32.

The square root of 444250481 is about 21077.2503187679. The cubic root of 444250481 is about 763.0317958564.

The spelling of 444250481 in words is "four hundred forty-four million, two hundred fifty thousand, four hundred eighty-one".