272161231 has 8 divisors (see below), whose sum is σ = 284166144. Its totient is φ = 260170680.

The previous prime is 272161229. The next prime is 272161237. The reversal of 272161231 is 132161272.

It is a happy number.

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 272161231 - 2¹ = 272161229 is a prime.

It is a super-2 number, since 2×272161231² = 148143471318870722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 272161196 and 272161205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272161237) 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, 57310 + ... + 61876.

It is an arithmetic number, because the mean of its divisors is an integer number (35520768).

Almost surely, 2^272161231 is an apocalyptic number.

272161231 is a deficient number, since it is larger than the sum of its proper divisors (12004913).

272161231 is a wasteful number, since it uses less digits than its factorization.

272161231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7181.

The product of its digits is 1008, while the sum is 25.

The square root of 272161231 is about 16497.3098109965. The cubic root of 272161231 is about 648.0503560103.

The spelling of 272161231 in words is "two hundred seventy-two million, one hundred sixty-one thousand, two hundred thirty-one".