44572481 has 2 divisors, whose sum is σ = 44572482. Its totient is φ = 44572480.

The previous prime is 44572471. The next prime is 44572483. The reversal of 44572481 is 18427544.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43771456 + 801025 = 6616^2 + 895^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44572481 is a prime.

It is a super-2 number, since 2×44572481² = 3973412124990722, which contains 22 as substring.

Together with 44572483, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (44572483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22286240 + 22286241.

It is an arithmetic number, because the mean of its divisors is an integer number (22286241).

Almost surely, 2^44572481 is an apocalyptic number.

It is an amenable number.

44572481 is a deficient number, since it is larger than the sum of its proper divisors (1).

44572481 is an equidigital number, since it uses as much as digits as its factorization.

44572481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35840, while the sum is 35.

The square root of 44572481 is about 6676.2625023287. The cubic root of 44572481 is about 354.5593448048.

The spelling of 44572481 in words is "forty-four million, five hundred seventy-two thousand, four hundred eighty-one".