8090231 has 2 divisors, whose sum is σ = 8090232. Its totient is φ = 8090230.

The previous prime is 8090213. The next prime is 8090233. The reversal of 8090231 is 1320908.

Together with previous prime (8090213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8090231 - 2¹⁴ = 8073847 is a prime.

It is a super-2 number, since 2×8090231² = 130903675266722, which contains 22 as substring.

Together with 8090233, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 8090197 and 8090206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8090233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4045115 + 4045116.

It is an arithmetic number, because the mean of its divisors is an integer number (4045116).

Almost surely, 2^8090231 is an apocalyptic number.

8090231 is a deficient number, since it is larger than the sum of its proper divisors (1).

8090231 is an equidigital number, since it uses as much as digits as its factorization.

8090231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 8090231 is about 2844.3331380132. Note that the first 3 decimals coincide. The cubic root of 8090231 is about 200.7491156257.

The spelling of 8090231 in words is "eight million, ninety thousand, two hundred thirty-one".