332665 has 4 divisors (see below), whose sum is σ = 399204. Its totient is φ = 266128.

The previous prime is 332641. The next prime is 332687. The reversal of 332665 is 566233.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 242064 + 90601 = 492^2 + 301^2 .

It is a cyclic number.

It is not a de Polignac number, because 332665 - 2¹³ = 324473 is a prime.

It is a super-2 number, since 2×332665² = 221332004450, which contains 22 as substring.

It is a d-powerful number, because it can be written as 3¹⁰ + 3¹¹ + 6⁶ + 2⁵ + 6⁶ + 5⁵ .

It is a Duffinian number.

332665 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33262 + ... + 33271.

It is an arithmetic number, because the mean of its divisors is an integer number (99801).

2³³²⁶⁶⁵ is an apocalyptic number.

It is an amenable number.

332665 is a deficient number, since it is larger than the sum of its proper divisors (66539).

332665 is an equidigital number, since it uses as much as digits as its factorization.

332665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66538.

The product of its digits is 3240, while the sum is 25.

The square root of 332665 is about 576.7711851332. The cubic root of 332665 is about 69.2897567850.

Adding to 332665 its reverse (566233), we get a palindrome (898898).

It can be divided in two parts, 332 and 665, that multiplied together give a triangular number (220780 = T₆₆₄).

The spelling of 332665 in words is "three hundred thirty-two thousand, six hundred sixty-five".