606043561 has 2 divisors, whose sum is σ = 606043562. Its totient is φ = 606043560.

The previous prime is 606043549. The next prime is 606043577. The reversal of 606043561 is 165340606.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 513883561 + 92160000 = 22669^2 + 9600^2 .

It is a cyclic number.

It is not a de Polignac number, because 606043561 - 2¹³ = 606035369 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (606043541) 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, 303021780 + 303021781.

It is an arithmetic number, because the mean of its divisors is an integer number (303021781).

Almost surely, 2^606043561 is an apocalyptic number.

It is an amenable number.

606043561 is a deficient number, since it is larger than the sum of its proper divisors (1).

606043561 is an equidigital number, since it uses as much as digits as its factorization.

606043561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 606043561 is about 24617.9520066150. The cubic root of 606043561 is about 846.2550638648.

The spelling of 606043561 in words is "six hundred six million, forty-three thousand, five hundred sixty-one".