8125231 has 2 divisors, whose sum is σ = 8125232. Its totient is φ = 8125230.

The previous prime is 8125223. The next prime is 8125253. The reversal of 8125231 is 1325218.

It is an a-pointer prime, because the next prime (8125253) can be obtained adding 8125231 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8125231 - 2³ = 8125223 is a prime.

It is a super-2 number, since 2×8125231² = 132038757606722, which contains 22 as substring.

It is a nialpdrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8125211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4062615 + 4062616.

It is an arithmetic number, because the mean of its divisors is an integer number (4062616).

Almost surely, 2^8125231 is an apocalyptic number.

8125231 is a deficient number, since it is larger than the sum of its proper divisors (1).

8125231 is an equidigital number, since it uses as much as digits as its factorization.

8125231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 480, while the sum is 22.

The square root of 8125231 is about 2850.4790825403. The cubic root of 8125231 is about 201.0381931168.

The spelling of 8125231 in words is "eight million, one hundred twenty-five thousand, two hundred thirty-one".