2041364561 has 2 divisors, whose sum is σ = 2041364562. Its totient is φ = 2041364560.

The previous prime is 2041364551. The next prime is 2041364597. The reversal of 2041364561 is 1654631402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1303210000 + 738154561 = 36100^2 + 27169^2 .

It is a cyclic number.

It is not a de Polignac number, because 2041364561 - 2¹⁰ = 2041363537 is a prime.

It is not a weakly prime, because it can be changed into another prime (2041364531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1020682280 + 1020682281.

It is an arithmetic number, because the mean of its divisors is an integer number (1020682281).

Almost surely, 2^2041364561 is an apocalyptic number.

It is an amenable number.

2041364561 is a deficient number, since it is larger than the sum of its proper divisors (1).

2041364561 is an equidigital number, since it uses as much as digits as its factorization.

2041364561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 2041364561 is about 45181.4625814614. The cubic root of 2041364561 is about 1268.5478599364.

Adding to 2041364561 its reverse (1654631402), we get a palindrome (3695995963).

The spelling of 2041364561 in words is "two billion, forty-one million, three hundred sixty-four thousand, five hundred sixty-one".