512730613 has 2 divisors, whose sum is σ = 512730614. Its totient is φ = 512730612.

The previous prime is 512730541. The next prime is 512730629. The reversal of 512730613 is 316037215.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 276124689 + 236605924 = 16617^2 + 15382^2 .

It is a cyclic number.

It is not a de Polignac number, because 512730613 - 2¹³ = 512722421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (512730683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256365306 + 256365307.

It is an arithmetic number, because the mean of its divisors is an integer number (256365307).

Almost surely, 2^512730613 is an apocalyptic number.

It is an amenable number.

512730613 is a deficient number, since it is larger than the sum of its proper divisors (1).

512730613 is an equidigital number, since it uses as much as digits as its factorization.

512730613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 512730613 is about 22643.5556616005. Note that the first 3 decimals coincide. The cubic root of 512730613 is about 800.3803467460.

Adding to 512730613 its reverse (316037215), we get a palindrome (828767828).

The spelling of 512730613 in words is "five hundred twelve million, seven hundred thirty thousand, six hundred thirteen".