272189 has 2 divisors, whose sum is σ = 272190. Its totient is φ = 272188.

The previous prime is 272183. The next prime is 272191. The reversal of 272189 is 981272.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 267289 + 4900 = 517^2 + 70^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-272189 is a prime.

Together with 272191, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (272183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136094 + 136095.

It is an arithmetic number, because the mean of its divisors is an integer number (136095).

2²⁷²¹⁸⁹ is an apocalyptic number.

It is an amenable number.

272189 is a deficient number, since it is larger than the sum of its proper divisors (1).

272189 is an equidigital number, since it uses as much as digits as its factorization.

272189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 29.

The square root of 272189 is about 521.7173564297. The cubic root of 272189 is about 64.8072395763.

The spelling of 272189 in words is "two hundred seventy-two thousand, one hundred eighty-nine".