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230425133 is a prime number
BaseRepresentation
bin11011011110000…
…00001000101101
3121001120210212012
431233000020231
5432442101013
634510451005
75465403251
oct1557001055
9531523765
10230425133
111090838a4
1265203a65
133897a943
1422862261
15153691a8
hexdbc022d

230425133 has 2 divisors, whose sum is σ = 230425134. Its totient is φ = 230425132.

The previous prime is 230425087. The next prime is 230425163. The reversal of 230425133 is 331524032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 191462569 + 38962564 = 13837^2 + 6242^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-230425133 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 230425099 and 230425108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230425163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115212566 + 115212567.

It is an arithmetic number, because the mean of its divisors is an integer number (115212567).

Almost surely, 2230425133 is an apocalyptic number.

It is an amenable number.

230425133 is a deficient number, since it is larger than the sum of its proper divisors (1).

230425133 is an equidigital number, since it uses as much as digits as its factorization.

230425133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 230425133 is about 15179.7606371115. The cubic root of 230425133 is about 613.0698363717.

Adding to 230425133 its reverse (331524032), we get a palindrome (561949165).

The spelling of 230425133 in words is "two hundred thirty million, four hundred twenty-five thousand, one hundred thirty-three".