505610000317 has 2 divisors, whose sum is σ = 505610000318. Its totient is φ = 505610000316.

The previous prime is 505610000303. The next prime is 505610000321. The reversal of 505610000317 is 713000016505.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 420871372516 + 84738627801 = 648746^2 + 291099^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-505610000317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505610000327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252805000158 + 252805000159.

It is an arithmetic number, because the mean of its divisors is an integer number (252805000159).

Almost surely, 2^505610000317 is an apocalyptic number.

It is an amenable number.

505610000317 is a deficient number, since it is larger than the sum of its proper divisors (1).

505610000317 is an equidigital number, since it uses as much as digits as its factorization.

505610000317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3150, while the sum is 28.

The spelling of 505610000317 in words is "five hundred five billion, six hundred ten million, three hundred seventeen", and thus it is an aban number.