272811289 has 9 divisors (see below), whose sum is σ = 277532373. Its totient is φ = 268170012.

The previous prime is 272811271. The next prime is 272811311. The reversal of 272811289 is 982118272.

The square root of 272811289 is 16517.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 272811289 - 2¹¹ = 272809241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (272811389) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1370812 + ... + 1371010.

Almost surely, 2^272811289 is an apocalyptic number.

272811289 is the 16517-th square number.

272811289 is the 8259-th centered octagonal number.

It is an amenable number.

272811289 is a deficient number, since it is larger than the sum of its proper divisors (4721084).

272811289 is an frugal number, since it uses more digits than its factorization.

272811289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564 (or 282 counting only the distinct ones).

The product of its digits is 32256, while the sum is 40.

The cubic root of 272811289 is about 648.5659025722.

The spelling of 272811289 in words is "two hundred seventy-two million, eight hundred eleven thousand, two hundred eighty-nine".