512216071 has 2 divisors, whose sum is σ = 512216072. Its totient is φ = 512216070.

The previous prime is 512216039. The next prime is 512216077. The reversal of 512216071 is 170612215.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 512216071 - 2⁵ = 512216039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (512216077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256108035 + 256108036.

It is an arithmetic number, because the mean of its divisors is an integer number (256108036).

Almost surely, 2^512216071 is an apocalyptic number.

512216071 is a deficient number, since it is larger than the sum of its proper divisors (1).

512216071 is an equidigital number, since it uses as much as digits as its factorization.

512216071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 512216071 is about 22632.1910340117. The cubic root of 512216071 is about 800.1125211522.

Adding to 512216071 its reverse (170612215), we get a palindrome (682828286).

It can be divided in two parts, 51 and 2216071, that added together give a palindrome (2216122).

The spelling of 512216071 in words is "five hundred twelve million, two hundred sixteen thousand, seventy-one".