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230257 is a prime number
BaseRepresentation
bin111000001101110001
3102200212001
4320031301
524332012
64534001
71646206
oct701561
9380761
10230257
11147aa5
12b1301
1380a61
1548357
hex38371

230257 has 2 divisors, whose sum is σ = 230258. Its totient is φ = 230256.

The previous prime is 230239. The next prime is 230273. The reversal of 230257 is 752032.

It is a happy number.

230257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 156816 + 73441 = 396^2 + 271^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-230257 is a prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (230227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115128 + 115129.

It is an arithmetic number, because the mean of its divisors is an integer number (115129).

2230257 is an apocalyptic number.

It is an amenable number.

230257 is a deficient number, since it is larger than the sum of its proper divisors (1).

230257 is an equidigital number, since it uses as much as digits as its factorization.

230257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420, while the sum is 19.

The square root of 230257 is about 479.8510185464. The cubic root of 230257 is about 61.2920688360.

Adding to 230257 its reverse (752032), we get a palindrome (982289).

It can be divided in two parts, 23025 and 7, that added together give a palindrome (23032).

The spelling of 230257 in words is "two hundred thirty thousand, two hundred fifty-seven".