665303000 has 32 divisors (see below), whose sum is σ = 1556811360. Its totient is φ = 266120800.

The previous prime is 665302987. The next prime is 665303021. The reversal of 665303000 is 303566.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 331652 + ... + 333651.

It is an arithmetic number, because the mean of its divisors is an integer number (48650355).

Almost surely, 2^665303000 is an apocalyptic number.

It is an amenable number.

665303000 is an abundant number, since it is smaller than the sum of its proper divisors (891508360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

665303000 is a wasteful number, since it uses less digits than its factorization.

665303000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665324 (or 665310 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 665303000 is about 25793.4681654096. The cubic root of 665303000 is about 872.9844218693.

Adding to 665303000 its reverse (303566), we get a palindrome (665606566).

The spelling of 665303000 in words is "six hundred sixty-five million, three hundred three thousand".