604543997 has 2 divisors, whose sum is σ = 604543998. Its totient is φ = 604543996.

The previous prime is 604543993. The next prime is 604544077. The reversal of 604543997 is 799345406.

It is a happy number.

604543997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 537729721 + 66814276 = 23189^2 + 8174^2 .

It is a cyclic number.

It is not a de Polignac number, because 604543997 - 2² = 604543993 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (604543993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302271998 + 302271999.

It is an arithmetic number, because the mean of its divisors is an integer number (302271999).

Almost surely, 2^604543997 is an apocalyptic number.

It is an amenable number.

604543997 is a deficient number, since it is larger than the sum of its proper divisors (1).

604543997 is an equidigital number, since it uses as much as digits as its factorization.

604543997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 816480, while the sum is 47.

The square root of 604543997 is about 24587.4764260182. The cubic root of 604543997 is about 845.5565102664.

The spelling of 604543997 in words is "six hundred four million, five hundred forty-three thousand, nine hundred ninety-seven".