608986009 has 2 divisors, whose sum is σ = 608986010. Its totient is φ = 608986008.

The previous prime is 608985991. The next prime is 608986013. The reversal of 608986009 is 900689806.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 408848400 + 200137609 = 20220^2 + 14147^2 .

It is a cyclic number.

It is not a de Polignac number, because 608986009 - 2⁵ = 608985977 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 608986009.

It is not a weakly prime, because it can be changed into another prime (608986409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 304493004 + 304493005.

It is an arithmetic number, because the mean of its divisors is an integer number (304493005).

Almost surely, 2^608986009 is an apocalyptic number.

It is an amenable number.

608986009 is a deficient number, since it is larger than the sum of its proper divisors (1).

608986009 is an equidigital number, since it uses as much as digits as its factorization.

608986009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 46.

The square root of 608986009 is about 24677.6418849127. The cubic root of 608986009 is about 847.6224256738.

The spelling of 608986009 in words is "six hundred eight million, nine hundred eighty-six thousand, nine".