665482275 has 36 divisors (see below), whose sum is σ = 1221041640. Its totient is φ = 346262400.

The previous prime is 665482271. The next prime is 665482283. The reversal of 665482275 is 572284566.

665482275 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 665482275 - 2² = 665482271 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 665482275.

It is not an unprimeable number, because it can be changed into a prime (665482271) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 26845 + ... + 45294.

Almost surely, 2^665482275 is an apocalyptic number.

665482275 is a deficient number, since it is larger than the sum of its proper divisors (555559365).

665482275 is a wasteful number, since it uses less digits than its factorization.

665482275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72196 (or 72188 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The square root of 665482275 is about 25796.9431328598. The cubic root of 665482275 is about 873.0628273612.

The spelling of 665482275 in words is "six hundred sixty-five million, four hundred eighty-two thousand, two hundred seventy-five".