512717 has 2 divisors, whose sum is σ = 512718. Its totient is φ = 512716.

The previous prime is 512713. The next prime is 512741. The reversal of 512717 is 717215.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 491401 + 21316 = 701^2 + 146^2 .

It is a cyclic number.

It is not a de Polignac number, because 512717 - 2² = 512713 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 512692 and 512701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (512711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256358 + 256359.

It is an arithmetic number, because the mean of its divisors is an integer number (256359).

2⁵¹²⁷¹⁷ is an apocalyptic number.

It is an amenable number.

512717 is a deficient number, since it is larger than the sum of its proper divisors (1).

512717 is an equidigital number, since it uses as much as digits as its factorization.

512717 is an evil number, because the sum of its binary digits is even.

The product of its digits is 490, while the sum is 23.

The square root of 512717 is about 716.0425964983. The cubic root of 512717 is about 80.0373263316.

The spelling of 512717 in words is "five hundred twelve thousand, seven hundred seventeen".