665052 has 24 divisors (see below), whose sum is σ = 1566096. Its totient is φ = 219648.

The previous prime is 665051. The next prime is 665053. The reversal of 665052 is 250566.

665052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (665051) and next prime (665053).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (665051) 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, 1708 + ... + 2060.

It is an arithmetic number, because the mean of its divisors is an integer number (65254).

2⁶⁶⁵⁰⁵² is an apocalyptic number.

It is an amenable number.

665052 is an abundant number, since it is smaller than the sum of its proper divisors (901044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

665052 is a wasteful number, since it uses less digits than its factorization.

665052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517 (or 515 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 665052 is about 815.5072041374. The cubic root of 665052 is about 87.2874623952.

The spelling of 665052 in words is "six hundred sixty-five thousand, fifty-two".