163265 has 4 divisors (see below), whose sum is σ = 195924. Its totient is φ = 130608.

The previous prime is 163259. The next prime is 163307. The reversal of 163265 is 562361.

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 61504 + 101761 = 248^2 + 319^2 .

It is a cyclic number.

It is not a de Polignac number, because 163265 - 2⁴ = 163249 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 163265.

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, 16322 + ... + 16331.

It is an arithmetic number, because the mean of its divisors is an integer number (48981).

2¹⁶³²⁶⁵ is an apocalyptic number.

It is an amenable number.

163265 is a deficient number, since it is larger than the sum of its proper divisors (32659).

163265 is an equidigital number, since it uses as much as digits as its factorization.

163265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32658.

The product of its digits is 1080, while the sum is 23.

The square root of 163265 is about 404.0606390135. The cubic root of 163265 is about 54.6551424911.

The spelling of 163265 in words is "one hundred sixty-three thousand, two hundred sixty-five".