512245117 has 2 divisors, whose sum is σ = 512245118. Its totient is φ = 512245116.

The previous prime is 512245109. The next prime is 512245211. The reversal of 512245117 is 711542215.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 449185636 + 63059481 = 21194^2 + 7941^2 .

It is a cyclic number.

It is not a de Polignac number, because 512245117 - 2³ = 512245109 is a prime.

It is a super-3 number, since 3×512245117³ (a number of 27 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (512245417) 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, 256122558 + 256122559.

It is an arithmetic number, because the mean of its divisors is an integer number (256122559).

Almost surely, 2^512245117 is an apocalyptic number.

It is an amenable number.

512245117 is a deficient number, since it is larger than the sum of its proper divisors (1).

512245117 is an equidigital number, since it uses as much as digits as its factorization.

512245117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2800, while the sum is 28.

The square root of 512245117 is about 22632.8327215132. The cubic root of 512245117 is about 800.1276447366.

The spelling of 512245117 in words is "five hundred twelve million, two hundred forty-five thousand, one hundred seventeen".