512312071 has 2 divisors, whose sum is σ = 512312072. Its totient is φ = 512312070.

The previous prime is 512312033. The next prime is 512312089. The reversal of 512312071 is 170213215.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-512312071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (512312011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256156035 + 256156036.

It is an arithmetic number, because the mean of its divisors is an integer number (256156036).

Almost surely, 2^512312071 is an apocalyptic number.

512312071 is a deficient number, since it is larger than the sum of its proper divisors (1).

512312071 is an equidigital number, since it uses as much as digits as its factorization.

512312071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 512312071 is about 22634.3118075191. The cubic root of 512312071 is about 800.1625039675.

Adding to 512312071 its reverse (170213215), we get a palindrome (682525286).

The spelling of 512312071 in words is "five hundred twelve million, three hundred twelve thousand, seventy-one".