270205 has 8 divisors (see below), whose sum is σ = 349272. Its totient is φ = 199488.

The previous prime is 270191. The next prime is 270209. The reversal of 270205 is 502072.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2916 + 267289 = 54^2 + 517^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 270205 - 2¹⁷ = 139133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (270209) 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, 2014 + ... + 2143.

It is an arithmetic number, because the mean of its divisors is an integer number (43659).

2²⁷⁰²⁰⁵ is an apocalyptic number.

It is an amenable number.

270205 is a deficient number, since it is larger than the sum of its proper divisors (79067).

270205 is a wasteful number, since it uses less digits than its factorization.

270205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4175.

The product of its (nonzero) digits is 140, while the sum is 16.

The square root of 270205 is about 519.8124661837. The cubic root of 270205 is about 64.6493943076.

Adding to 270205 its reverse (502072), we get a palindrome (772277).

It can be divided in two parts, 2 and 70205, that added together give a palindrome (70207).

The spelling of 270205 in words is "two hundred seventy thousand, two hundred five".