665062 has 8 divisors (see below), whose sum is σ = 1003392. Its totient is φ = 330600.

The previous prime is 665053. The next prime is 665069. The reversal of 665062 is 260566.

665062 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (665069) by changing a digit.

665062 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 489 + ... + 1252.

It is an arithmetic number, because the mean of its divisors is an integer number (125424).

2⁶⁶⁵⁰⁶² is an apocalyptic number.

665062 is a deficient number, since it is larger than the sum of its proper divisors (338330).

665062 is a wasteful number, since it uses less digits than its factorization.

665062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1934.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 665062 is about 815.5133352680. The cubic root of 665062 is about 87.2878998899.

Subtracting from 665062 its reverse (260566), we obtain a square (404496 = 636²).

The spelling of 665062 in words is "six hundred sixty-five thousand, sixty-two".