665605483 has 2 divisors, whose sum is σ = 665605484. Its totient is φ = 665605482.

The previous prime is 665605427. The next prime is 665605547. The reversal of 665605483 is 384506566.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-665605483 is a prime.

It is not a weakly prime, because it can be changed into another prime (665606483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 332802741 + 332802742.

It is an arithmetic number, because the mean of its divisors is an integer number (332802742).

Almost surely, 2^665605483 is an apocalyptic number.

665605483 is a deficient number, since it is larger than the sum of its proper divisors (1).

665605483 is an equidigital number, since it uses as much as digits as its factorization.

665605483 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 518400, while the sum is 43.

The square root of 665605483 is about 25799.3310572193. The cubic root of 665605483 is about 873.1167039211.

The spelling of 665605483 in words is "six hundred sixty-five million, six hundred five thousand, four hundred eighty-three".