230653 has 2 divisors, whose sum is σ = 230654. Its totient is φ = 230652.
The previous prime is 230647. The next prime is 230663. The reversal of 230653 is 356032.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 191844 + 38809 = 438^2 + 197^2 .
It is a cyclic number.
It is not a de Polignac number, because 230653 - 213 = 222461 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 230653.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (230663) 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, 115326 + 115327.
It is an arithmetic number, because the mean of its divisors is an integer number (115327).
2230653 is an apocalyptic number.
It is an amenable number.
230653 is a deficient number, since it is larger than the sum of its proper divisors (1).
230653 is an equidigital number, since it uses as much as digits as its factorization.
230653 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 540, while the sum is 19.
The square root of 230653 is about 480.2634693582. The cubic root of 230653 is about 61.3271857680.
Adding to 230653 its reverse (356032), we get a palindrome (586685).
The spelling of 230653 in words is "two hundred thirty thousand, six hundred fifty-three".
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