44052821 has 2 divisors, whose sum is σ = 44052822. Its totient is φ = 44052820.

The previous prime is 44052809. The next prime is 44052847. The reversal of 44052821 is 12825044.

It is a happy number.

It is an a-pointer prime, because the next prime (44052847) can be obtained adding 44052821 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41460721 + 2592100 = 6439^2 + 1610^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44052821 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44042821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22026410 + 22026411.

It is an arithmetic number, because the mean of its divisors is an integer number (22026411).

Almost surely, 2^44052821 is an apocalyptic number.

It is an amenable number.

44052821 is a deficient number, since it is larger than the sum of its proper divisors (1).

44052821 is an equidigital number, since it uses as much as digits as its factorization.

44052821 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 44052821 is about 6637.2299191756. The cubic root of 44052821 is about 353.1760471378.

Adding to 44052821 its reverse (12825044), we get a palindrome (56877865).

The spelling of 44052821 in words is "forty-four million, fifty-two thousand, eight hundred twenty-one".