2002466561 has 2 divisors, whose sum is σ = 2002466562. Its totient is φ = 2002466560.

The previous prime is 2002466551. The next prime is 2002466591. The reversal of 2002466561 is 1656642002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1442860225 + 559606336 = 37985^2 + 23656^2 .

It is a cyclic number.

It is not a de Polignac number, because 2002466561 - 2⁶ = 2002466497 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 (2002466551) 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, 1001233280 + 1001233281.

It is an arithmetic number, because the mean of its divisors is an integer number (1001233281).

Almost surely, 2^2002466561 is an apocalyptic number.

It is an amenable number.

2002466561 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002466561 is an equidigital number, since it uses as much as digits as its factorization.

2002466561 is an odious number, because the sum of its binary digits is odd.

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

The square root of 2002466561 is about 44748.9280430269. The cubic root of 2002466561 is about 1260.4387824708.

The spelling of 2002466561 in words is "two billion, two million, four hundred sixty-six thousand, five hundred sixty-one".