8273231 has 2 divisors, whose sum is σ = 8273232. Its totient is φ = 8273230.

The previous prime is 8273197. The next prime is 8273257. The reversal of 8273231 is 1323728.

It is an a-pointer prime, because the next prime (8273257) can be obtained adding 8273231 to its sum of digits (26).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8273231 is a prime.

It is a super-2 number, since 2×8273231² = 136892702358722, 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 8273231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8273831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4136615 + 4136616.

It is an arithmetic number, because the mean of its divisors is an integer number (4136616).

Almost surely, 2^8273231 is an apocalyptic number.

8273231 is a deficient number, since it is larger than the sum of its proper divisors (1).

8273231 is an equidigital number, since it uses as much as digits as its factorization.

8273231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 26.

The square root of 8273231 is about 2876.3224784436. The cubic root of 8273231 is about 202.2514839894.

Adding to 8273231 its reverse (1323728), we get a palindrome (9596959).

The spelling of 8273231 in words is "eight million, two hundred seventy-three thousand, two hundred thirty-one".