2041333561 has 2 divisors, whose sum is σ = 2041333562. Its totient is φ = 2041333560.

The previous prime is 2041333517. The next prime is 2041333573. The reversal of 2041333561 is 1653331402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1753013161 + 288320400 = 41869^2 + 16980^2 .

It is a cyclic number.

It is not a de Polignac number, because 2041333561 - 2¹⁹ = 2040809273 is a prime.

It is not a weakly prime, because it can be changed into another prime (2041333501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1020666780 + 1020666781.

It is an arithmetic number, because the mean of its divisors is an integer number (1020666781).

Almost surely, 2^2041333561 is an apocalyptic number.

It is an amenable number.

2041333561 is a deficient number, since it is larger than the sum of its proper divisors (1).

2041333561 is an equidigital number, since it uses as much as digits as its factorization.

2041333561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 2041333561 is about 45181.1195191089. The cubic root of 2041333561 is about 1268.5414385482.

Adding to 2041333561 its reverse (1653331402), we get a palindrome (3694664963).

The spelling of 2041333561 in words is "two billion, forty-one million, three hundred thirty-three thousand, five hundred sixty-one".