606699971 has 2 divisors, whose sum is σ = 606699972. Its totient is φ = 606699970.

The previous prime is 606699937. The next prime is 606699991. The reversal of 606699971 is 179996606.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 606699971 - 2¹⁴ = 606683587 is a prime.

It is a super-2 number, since 2×606699971² = 736169709622801682, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (606699931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303349985 + 303349986.

It is an arithmetic number, because the mean of its divisors is an integer number (303349986).

Almost surely, 2^606699971 is an apocalyptic number.

606699971 is a deficient number, since it is larger than the sum of its proper divisors (1).

606699971 is an equidigital number, since it uses as much as digits as its factorization.

606699971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1102248, while the sum is 53.

The square root of 606699971 is about 24631.2803361904. The cubic root of 606699971 is about 846.5604818749.

The spelling of 606699971 in words is "six hundred six million, six hundred ninety-nine thousand, nine hundred seventy-one".