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512225201 is a prime number
BaseRepresentation
bin11110100001111…
…110111110110001
31022200211201212202
4132201332332301
52022112201301
6122454432545
715456561635
oct3641767661
91280751782
10512225201
11243157414
12123662755
1382175747
144c058dc5
152ee8066b
hex1e87efb1

512225201 has 2 divisors, whose sum is σ = 512225202. Its totient is φ = 512225200.

The previous prime is 512225179. The next prime is 512225209. The reversal of 512225201 is 102522215.

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., 353440000 + 158785201 = 18800^2 + 12601^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-512225201 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (512225209) 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, 256112600 + 256112601.

It is an arithmetic number, because the mean of its divisors is an integer number (256112601).

Almost surely, 2512225201 is an apocalyptic number.

It is an amenable number.

512225201 is a deficient number, since it is larger than the sum of its proper divisors (1).

512225201 is an equidigital number, since it uses as much as digits as its factorization.

512225201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 512225201 is about 22632.3927369600. The cubic root of 512225201 is about 800.1172749949.

Adding to 512225201 its reverse (102522215), we get a palindrome (614747416).

The spelling of 512225201 in words is "five hundred twelve million, two hundred twenty-five thousand, two hundred one".