511330201 has 2 divisors, whose sum is σ = 511330202. Its totient is φ = 511330200.

The previous prime is 511330189. The next prime is 511330217. The reversal of 511330201 is 102033115.

It is an a-pointer prime, because the next prime (511330217) can be obtained adding 511330201 to its sum of digits (16).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 375584400 + 135745801 = 19380^2 + 11651^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-511330201 is a prime.

It is a super-2 number, since 2×511330201² = 522917148909400802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (511330231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255665100 + 255665101.

It is an arithmetic number, because the mean of its divisors is an integer number (255665101).

Almost surely, 2^511330201 is an apocalyptic number.

It is an amenable number.

511330201 is a deficient number, since it is larger than the sum of its proper divisors (1).

511330201 is an equidigital number, since it uses as much as digits as its factorization.

511330201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 511330201 is about 22612.6115475413. The cubic root of 511330201 is about 799.6509941199.

Adding to 511330201 its reverse (102033115), we get a palindrome (613363316).

The spelling of 511330201 in words is "five hundred eleven million, three hundred thirty thousand, two hundred one".