8671231 has 2 divisors, whose sum is σ = 8671232. Its totient is φ = 8671230.

The previous prime is 8671219. The next prime is 8671249. The reversal of 8671231 is 1321768.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8671231 - 2¹⁵ = 8638463 is a prime.

It is a super-2 number, since 2×8671231² = 150380494110722, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8671231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8671291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4335615 + 4335616.

It is an arithmetic number, because the mean of its divisors is an integer number (4335616).

Almost surely, 2^8671231 is an apocalyptic number.

8671231 is a deficient number, since it is larger than the sum of its proper divisors (1).

8671231 is an equidigital number, since it uses as much as digits as its factorization.

8671231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 28.

The square root of 8671231 is about 2944.6954002070. The cubic root of 8671231 is about 205.4440582351. Note that the first 3 decimals are identical.

Adding to 8671231 its reverse (1321768), we get a palindrome (9992999).

It can be divided in two parts, 8671 and 231, that multiplied together give a triangular number (2003001 = T₂₀₀₁).

The spelling of 8671231 in words is "eight million, six hundred seventy-one thousand, two hundred thirty-one".