665083 has 4 divisors (see below), whose sum is σ = 676048. Its totient is φ = 654120.

The previous prime is 665069. The next prime is 665089. The reversal of 665083 is 380566.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 380566 = 2 ⋅190283.

It is a cyclic number.

It is not a de Polignac number, because 665083 - 2⁵ = 665051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (665089) 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, 5391 + ... + 5512.

It is an arithmetic number, because the mean of its divisors is an integer number (169012).

2⁶⁶⁵⁰⁸³ is an apocalyptic number.

665083 is a deficient number, since it is larger than the sum of its proper divisors (10965).

665083 is a wasteful number, since it uses less digits than its factorization.

665083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10964.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 665083 is about 815.5262104923. The cubic root of 665083 is about 87.2888186146.

The spelling of 665083 in words is "six hundred sixty-five thousand, eighty-three".