10444781 has 2 divisors, whose sum is σ = 10444782. Its totient is φ = 10444780.

The previous prime is 10444771. The next prime is 10444787. The reversal of 10444781 is 18744401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10432900 + 11881 = 3230^2 + 109^2 .

It is a cyclic number.

It is not a de Polignac number, because 10444781 - 2⁶ = 10444717 is a prime.

It is a super-2 number, since 2×10444781² = 218186900275922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10444787) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5222390 + 5222391.

It is an arithmetic number, because the mean of its divisors is an integer number (5222391).

Almost surely, 2^10444781 is an apocalyptic number.

It is an amenable number.

10444781 is a deficient number, since it is larger than the sum of its proper divisors (1).

10444781 is an equidigital number, since it uses as much as digits as its factorization.

10444781 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 10444781 is about 3231.8386407740. The cubic root of 10444781 is about 218.5914207418.

The spelling of 10444781 in words is "ten million, four hundred forty-four thousand, seven hundred eighty-one".