10041781 has 8 divisors (see below), whose sum is σ = 10753560. Its totient is φ = 9343488.

The previous prime is 10041767. The next prime is 10041817. The reversal of 10041781 is 18714001.

10041781 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 18225 + 10023556 = 135^2 + 3166^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10041781 - 2⁵ = 10041749 is a prime.

It is a super-2 number, since 2×10041781² = 201674731303922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10048781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1806 + ... + 4831.

It is an arithmetic number, because the mean of its divisors is an integer number (1344195).

Almost surely, 2^10041781 is an apocalyptic number.

It is an amenable number.

10041781 is a deficient number, since it is larger than the sum of its proper divisors (711779).

10041781 is an equidigital number, since it uses as much as digits as its factorization.

10041781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6743.

The product of its (nonzero) digits is 224, while the sum is 22.

The square root of 10041781 is about 3168.8769303966. The cubic root of 10041781 is about 215.7431002127.

Adding to 10041781 its reverse (18714001), we get a palindrome (28755782).

The spelling of 10041781 in words is "ten million, forty-one thousand, seven hundred eighty-one".