665282 has 4 divisors (see below), whose sum is σ = 997926. Its totient is φ = 332640.

The previous prime is 665279. The next prime is 665293. The reversal of 665282 is 282566.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 282566 = 2 ⋅141283.

It can be written as a sum of positive squares in only one way, i.e., 625681 + 39601 = 791^2 + 199^2 .

It is a pancake number, because a pancake can be divided into 665282 parts by 1153 straight cuts.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166319 + ... + 166322.

2⁶⁶⁵²⁸² is an apocalyptic number.

665282 is a deficient number, since it is larger than the sum of its proper divisors (332644).

665282 is a wasteful number, since it uses less digits than its factorization.

665282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332643.

The product of its digits is 5760, while the sum is 29.

The square root of 665282 is about 815.6482084821. The cubic root of 665282 is about 87.2975236648.

The spelling of 665282 in words is "six hundred sixty-five thousand, two hundred eighty-two".