665484353 has 2 divisors, whose sum is σ = 665484354. Its totient is φ = 665484352.

The previous prime is 665484343. The next prime is 665484359. The reversal of 665484353 is 353484566.

It is a happy number.

665484353 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 586220944 + 79263409 = 24212^2 + 8903^2 .

It is a cyclic number.

It is not a de Polignac number, because 665484353 - 2⁸ = 665484097 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (665484359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 332742176 + 332742177.

It is an arithmetic number, because the mean of its divisors is an integer number (332742177).

Almost surely, 2^665484353 is an apocalyptic number.

It is an amenable number.

665484353 is a deficient number, since it is larger than the sum of its proper divisors (1).

665484353 is an equidigital number, since it uses as much as digits as its factorization.

665484353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1036800, while the sum is 44.

The square root of 665484353 is about 25796.9834089182. The cubic root of 665484353 is about 873.0637360869.

The spelling of 665484353 in words is "six hundred sixty-five million, four hundred eighty-four thousand, three hundred fifty-three".