606562681 has 2 divisors, whose sum is σ = 606562682. Its totient is φ = 606562680.

The previous prime is 606562661. The next prime is 606562717. The reversal of 606562681 is 186265606.

606562681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 604914025 + 1648656 = 24595^2 + 1284^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-606562681 is a prime.

It is a super-2 number, since 2×606562681² = 735836571963815522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (606562661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303281340 + 303281341.

It is an arithmetic number, because the mean of its divisors is an integer number (303281341).

Almost surely, 2^606562681 is an apocalyptic number.

It is an amenable number.

606562681 is a deficient number, since it is larger than the sum of its proper divisors (1).

606562681 is an equidigital number, since it uses as much as digits as its factorization.

606562681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 606562681 is about 24628.4932750666. The cubic root of 606562681 is about 846.4966210640.

The spelling of 606562681 in words is "six hundred six million, five hundred sixty-two thousand, six hundred eighty-one".