608805397 has 2 divisors, whose sum is σ = 608805398. Its totient is φ = 608805396.

The previous prime is 608805389. The next prime is 608805401. The reversal of 608805397 is 793508806.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 522853956 + 85951441 = 22866^2 + 9271^2 .

It is a cyclic number.

It is not a de Polignac number, because 608805397 - 2³ = 608805389 is a prime.

It is a super-2 number, since 2×608805397² = 741288022832655218, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (608805317) 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, 304402698 + 304402699.

It is an arithmetic number, because the mean of its divisors is an integer number (304402699).

Almost surely, 2^608805397 is an apocalyptic number.

It is an amenable number.

608805397 is a deficient number, since it is larger than the sum of its proper divisors (1).

608805397 is an equidigital number, since it uses as much as digits as its factorization.

608805397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 608805397 is about 24673.9821877215. The cubic root of 608805397 is about 847.5386219321.

The spelling of 608805397 in words is "six hundred eight million, eight hundred five thousand, three hundred ninety-seven".