517012014256477 has 2 divisors, whose sum is σ = 517012014256478. Its totient is φ = 517012014256476.

The previous prime is 517012014256471. The next prime is 517012014256559. The reversal of 517012014256477 is 774652410210715.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 372083305670521 + 144928708585956 = 19289461^2 + 12038634^2 .

It is a cyclic number.

It is not a de Polignac number, because 517012014256477 - 2¹¹ = 517012014254429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (517012014256471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258506007128238 + 258506007128239.

It is an arithmetic number, because the mean of its divisors is an integer number (258506007128239).

Almost surely, 2^{517012014256477} is an apocalyptic number.

It is an amenable number.

517012014256477 is a deficient number, since it is larger than the sum of its proper divisors (1).

517012014256477 is an equidigital number, since it uses as much as digits as its factorization.

517012014256477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3292800, while the sum is 52.

The spelling of 517012014256477 in words is "five hundred seventeen trillion, twelve billion, fourteen million, two hundred fifty-six thousand, four hundred seventy-seven".