606997 has 2 divisors, whose sum is σ = 606998. Its totient is φ = 606996.

The previous prime is 606971. The next prime is 607001. The reversal of 606997 is 799606.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 599076 + 7921 = 774^2 + 89^2 .

It is a cyclic number.

It is not a de Polignac number, because 606997 - 2¹¹ = 604949 is a prime.

606997 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (606967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303498 + 303499.

It is an arithmetic number, because the mean of its divisors is an integer number (303499).

2⁶⁰⁶⁹⁹⁷ is an apocalyptic number.

It is an amenable number.

606997 is a deficient number, since it is larger than the sum of its proper divisors (1).

606997 is an equidigital number, since it uses as much as digits as its factorization.

606997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 606997 is about 779.1001219356. The cubic root of 606997 is about 84.6698612747.

It can be divided in two parts, 60699 and 7, that added together give a palindrome (60706).

The spelling of 606997 in words is "six hundred six thousand, nine hundred ninety-seven".