665032 has 16 divisors (see below), whose sum is σ = 1261260. Its totient is φ = 328704.

The previous prime is 665029. The next prime is 665039. The reversal of 665032 is 230566.

It can be written as a sum of positive squares in 2 ways, for example, as 630436 + 34596 = 794^2 + 186^2 .

It is a super-2 number, since 2×665032² = 884535122048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 664994 and 665012.

It is not an unprimeable number, because it can be changed into a prime (665039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 348 + ... + 1204.

2⁶⁶⁵⁰³² is an apocalyptic number.

It is an amenable number.

665032 is a deficient number, since it is larger than the sum of its proper divisors (596228).

665032 is a wasteful number, since it uses less digits than its factorization.

665032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960 (or 956 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 665032 is about 815.4949417378. The cubic root of 665032 is about 87.2865873926.

Adding to 665032 its reverse (230566), we get a palindrome (895598).

The spelling of 665032 in words is "six hundred sixty-five thousand, thirty-two".