512203140073 has 2 divisors, whose sum is σ = 512203140074. Its totient is φ = 512203140072.

The previous prime is 512203140037. The next prime is 512203140079. The reversal of 512203140073 is 370041302215.

Together with previous prime (512203140037) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 422770443264 + 89432696809 = 650208^2 + 299053^2 .

It is a cyclic number.

It is not a de Polignac number, because 512203140073 - 2³³ = 503613205481 is a prime.

It is not a weakly prime, because it can be changed into another prime (512203140079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256101570036 + 256101570037.

It is an arithmetic number, because the mean of its divisors is an integer number (256101570037).

Almost surely, 2^512203140073 is an apocalyptic number.

It is an amenable number.

512203140073 is a deficient number, since it is larger than the sum of its proper divisors (1).

512203140073 is an equidigital number, since it uses as much as digits as its factorization.

512203140073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 28.

Adding to 512203140073 its reverse (370041302215), we get a palindrome (882244442288).

The spelling of 512203140073 in words is "five hundred twelve billion, two hundred three million, one hundred forty thousand, seventy-three".