2042566601 has 2 divisors, whose sum is σ = 2042566602. Its totient is φ = 2042566600.

The previous prime is 2042566597. The next prime is 2042566651. The reversal of 2042566601 is 1066652402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1874890000 + 167676601 = 43300^2 + 12949^2 .

It is a cyclic number.

It is not a de Polignac number, because 2042566601 - 2² = 2042566597 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2042566651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021283300 + 1021283301.

It is an arithmetic number, because the mean of its divisors is an integer number (1021283301).

Almost surely, 2^2042566601 is an apocalyptic number.

It is an amenable number.

2042566601 is a deficient number, since it is larger than the sum of its proper divisors (1).

2042566601 is an equidigital number, since it uses as much as digits as its factorization.

2042566601 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 2042566601 is about 45194.7629820093. The cubic root of 2042566601 is about 1268.7968022532.

The spelling of 2042566601 in words is "two billion, forty-two million, five hundred sixty-six thousand, six hundred one".