10044821 has 2 divisors, whose sum is σ = 10044822. Its totient is φ = 10044820.

The previous prime is 10044803. The next prime is 10044823. The reversal of 10044821 is 12844001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9991921 + 52900 = 3161^2 + 230^2 .

It is a cyclic number.

It is not a de Polignac number, because 10044821 - 2¹⁸ = 9782677 is a prime.

Together with 10044823, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 10044793 and 10044802.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10044823) 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, 5022410 + 5022411.

It is an arithmetic number, because the mean of its divisors is an integer number (5022411).

Almost surely, 2^10044821 is an apocalyptic number.

It is an amenable number.

10044821 is a deficient number, since it is larger than the sum of its proper divisors (1).

10044821 is an equidigital number, since it uses as much as digits as its factorization.

10044821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 10044821 is about 3169.3565593035. The cubic root of 10044821 is about 215.7648690222.

Adding to 10044821 its reverse (12844001), we get a palindrome (22888822).

The spelling of 10044821 in words is "ten million, forty-four thousand, eight hundred twenty-one".