32605 has 4 divisors (see below), whose sum is σ = 39132. Its totient is φ = 26080.

The previous prime is 32603. The next prime is 32609. The reversal of 32605 is 50623.

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 22201 + 10404 = 149^2 + 102^2 .

It is not a de Polignac number, because 32605 - 2¹ = 32603 is a prime.

It is a Duffinian number.

32605 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32603) 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, 3256 + ... + 3265.

It is an arithmetic number, because the mean of its divisors is an integer number (9783).

2³²⁶⁰⁵ is an apocalyptic number.

It is an amenable number.

32605 is a deficient number, since it is larger than the sum of its proper divisors (6527).

32605 is an equidigital number, since it uses as much as digits as its factorization.

32605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6526.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 32605 is about 180.5685465412. The cubic root of 32605 is about 31.9468518805.

The spelling of 32605 in words is "thirty-two thousand, six hundred five".