2006745523 has 2 divisors, whose sum is σ = 2006745524. Its totient is φ = 2006745522.

The previous prime is 2006745479. The next prime is 2006745527. The reversal of 2006745523 is 3255476002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2006745523 - 2⁹ = 2006745011 is a prime.

It is not a weakly prime, because it can be changed into another prime (2006745527) 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, 1003372761 + 1003372762.

It is an arithmetic number, because the mean of its divisors is an integer number (1003372762).

Almost surely, 2^2006745523 is an apocalyptic number.

2006745523 is a deficient number, since it is larger than the sum of its proper divisors (1).

2006745523 is an equidigital number, since it uses as much as digits as its factorization.

2006745523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50400, while the sum is 34.

The square root of 2006745523 is about 44796.7133057772. The cubic root of 2006745523 is about 1261.3359314691.

The spelling of 2006745523 in words is "two billion, six million, seven hundred forty-five thousand, five hundred twenty-three".