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530021201 is a prime number
BaseRepresentation
bin11111100101110…
…111101101010001
31100221022212101212
4133211313231101
52041141134301
6124332105505
716064051213
oct3745675521
91327285355
10530021201
11252201856
12129605295
1385a66918
145056c5b3
15317e84bb
hex1f977b51

530021201 has 2 divisors, whose sum is σ = 530021202. Its totient is φ = 530021200.

The previous prime is 530021159. The next prime is 530021203. The reversal of 530021201 is 102120035.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 282273601 + 247747600 = 16801^2 + 15740^2 .

It is a cyclic number.

It is not a de Polignac number, because 530021201 - 26 = 530021137 is a prime.

Together with 530021203, 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 (530021203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265010600 + 265010601.

It is an arithmetic number, because the mean of its divisors is an integer number (265010601).

Almost surely, 2530021201 is an apocalyptic number.

It is an amenable number.

530021201 is a deficient number, since it is larger than the sum of its proper divisors (1).

530021201 is an equidigital number, since it uses as much as digits as its factorization.

530021201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 530021201 is about 23022.1893181339. The cubic root of 530021201 is about 809.2780240515.

Adding to 530021201 its reverse (102120035), we get a palindrome (632141236).

The spelling of 530021201 in words is "five hundred thirty million, twenty-one thousand, two hundred one".