604805897 has 2 divisors, whose sum is σ = 604805898. Its totient is φ = 604805896.

The previous prime is 604805863. The next prime is 604805899. The reversal of 604805897 is 798508406.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 435181321 + 169624576 = 20861^2 + 13024^2 .

It is a cyclic number.

It is not a de Polignac number, because 604805897 - 2¹⁰ = 604804873 is a prime.

Together with 604805899, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (604805899) 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, 302402948 + 302402949.

It is an arithmetic number, because the mean of its divisors is an integer number (302402949).

Almost surely, 2^604805897 is an apocalyptic number.

It is an amenable number.

604805897 is a deficient number, since it is larger than the sum of its proper divisors (1).

604805897 is an equidigital number, since it uses as much as digits as its factorization.

604805897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 604805897 is about 24592.8017314010. The cubic root of 604805897 is about 845.6785963786.

The spelling of 604805897 in words is "six hundred four million, eight hundred five thousand, eight hundred ninety-seven".