544065481 has 2 divisors, whose sum is σ = 544065482. Its totient is φ = 544065480.

The previous prime is 544065479. The next prime is 544065493. The reversal of 544065481 is 184560445.

544065481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 424360000 + 119705481 = 20600^2 + 10941^2 .

It is a cyclic number.

It is not a de Polignac number, because 544065481 - 2¹ = 544065479 is a prime.

It is a super-2 number, since 2×544065481² = 592014495231522722, which contains 22 as substring.

Together with 544065479, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 544065481.

It is not a weakly prime, because it can be changed into another prime (544065421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272032740 + 272032741.

It is an arithmetic number, because the mean of its divisors is an integer number (272032741).

Almost surely, 2^544065481 is an apocalyptic number.

It is an amenable number.

544065481 is a deficient number, since it is larger than the sum of its proper divisors (1).

544065481 is an equidigital number, since it uses as much as digits as its factorization.

544065481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 76800, while the sum is 37.

The square root of 544065481 is about 23325.2112744987. The cubic root of 544065481 is about 816.3637728510.

The spelling of 544065481 in words is "five hundred forty-four million, sixty-five thousand, four hundred eighty-one".