511207201 has 2 divisors, whose sum is σ = 511207202. Its totient is φ = 511207200.

The previous prime is 511207199. The next prime is 511207237. The reversal of 511207201 is 102702115.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 457917201 + 53290000 = 21399^2 + 7300^2 .

It is a cyclic number.

It is not a de Polignac number, because 511207201 - 2¹ = 511207199 is a prime.

It is a super-2 number, since 2×511207201² = 522665604708508802, which contains 22 as substring.

Together with 511207199, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (511207241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255603600 + 255603601.

It is an arithmetic number, because the mean of its divisors is an integer number (255603601).

Almost surely, 2^511207201 is an apocalyptic number.

It is an amenable number.

511207201 is a deficient number, since it is larger than the sum of its proper divisors (1).

511207201 is an equidigital number, since it uses as much as digits as its factorization.

511207201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 140, while the sum is 19.

The square root of 511207201 is about 22609.8916627214. The cubic root of 511207201 is about 799.5868705460.

Adding to 511207201 its reverse (102702115), we get a palindrome (613909316).

The spelling of 511207201 in words is "five hundred eleven million, two hundred seven thousand, two hundred one".