232457 has 2 divisors, whose sum is σ = 232458. Its totient is φ = 232456.
The previous prime is 232451. The next prime is 232459. The reversal of 232457 is 754232.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 215296 + 17161 = 464^2 + 131^2 .
It is a cyclic number.
It is not a de Polignac number, because 232457 - 210 = 231433 is a prime.
Together with 232459, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (232451) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116228 + 116229.
It is an arithmetic number, because the mean of its divisors is an integer number (116229).
2232457 is an apocalyptic number.
It is an amenable number.
232457 is a deficient number, since it is larger than the sum of its proper divisors (1).
232457 is an equidigital number, since it uses as much as digits as its factorization.
232457 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 1680, while the sum is 23.
The square root of 232457 is about 482.1379470649. The cubic root of 232457 is about 61.4866562805.
Adding to 232457 its reverse (754232), we get a palindrome (986689).
The spelling of 232457 in words is "two hundred thirty-two thousand, four hundred fifty-seven".
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