248231 has 2 divisors, whose sum is σ = 248232. Its totient is φ = 248230.
The previous prime is 248203. The next prime is 248243. The reversal of 248231 is 132842.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 248231 - 26 = 248167 is a prime.
It is a super-2 number, since 2×2482312 = 123237258722, which contains 22 as substring.
It is a Chen prime.
It is a plaindrome in base 14.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (248201) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124115 + 124116.
It is an arithmetic number, because the mean of its divisors is an integer number (124116).
2248231 is an apocalyptic number.
248231 is a deficient number, since it is larger than the sum of its proper divisors (1).
248231 is an equidigital number, since it uses as much as digits as its factorization.
248231 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 384, while the sum is 20.
The square root of 248231 is about 498.2278595181. The cubic root of 248231 is about 62.8471139549.
The spelling of 248231 in words is "two hundred forty-eight thousand, two hundred thirty-one".
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