512213101 has 2 divisors, whose sum is σ = 512213102. Its totient is φ = 512213100.

The previous prime is 512213087. The next prime is 512213113. The reversal of 512213101 is 101312215.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 283417225 + 228795876 = 16835^2 + 15126^2 .

It is a cyclic number.

It is not a de Polignac number, because 512213101 - 2¹⁹ = 511688813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (512253101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256106550 + 256106551.

It is an arithmetic number, because the mean of its divisors is an integer number (256106551).

Almost surely, 2^512213101 is an apocalyptic number.

It is an amenable number.

512213101 is a deficient number, since it is larger than the sum of its proper divisors (1).

512213101 is an equidigital number, since it uses as much as digits as its factorization.

512213101 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 16.

The square root of 512213101 is about 22632.1254194121. The cubic root of 512213101 is about 800.1109747092.

Adding to 512213101 its reverse (101312215), we get a palindrome (613525316).

The spelling of 512213101 in words is "five hundred twelve million, two hundred thirteen thousand, one hundred one".