665035 has 8 divisors (see below), whose sum is σ = 912096. Its totient is φ = 456000.

The previous prime is 665029. The next prime is 665039. The reversal of 665035 is 530566.

665035 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 not a de Polignac number, because 665035 - 2¹⁵ = 632267 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 9466 + ... + 9535.

It is an arithmetic number, because the mean of its divisors is an integer number (114012).

2⁶⁶⁵⁰³⁵ is an apocalyptic number.

665035 is a deficient number, since it is larger than the sum of its proper divisors (247061).

665035 is a wasteful number, since it uses less digits than its factorization.

665035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19013.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 665035 is about 815.4967811095. The cubic root of 665035 is about 87.2867186441.

The spelling of 665035 in words is "six hundred sixty-five thousand, thirty-five".