517243469 has 2 divisors, whose sum is σ = 517243470. Its totient is φ = 517243468.

The previous prime is 517243429. The next prime is 517243537. The reversal of 517243469 is 964342715.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 382984900 + 134258569 = 19570^2 + 11587^2 .

It is a cyclic number.

It is not a de Polignac number, because 517243469 - 2¹⁶ = 517177933 is a prime.

It is a super-2 number, since 2×517243469² = 535081612446307922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (517243429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258621734 + 258621735.

It is an arithmetic number, because the mean of its divisors is an integer number (258621735).

Almost surely, 2^517243469 is an apocalyptic number.

It is an amenable number.

517243469 is a deficient number, since it is larger than the sum of its proper divisors (1).

517243469 is an equidigital number, since it uses as much as digits as its factorization.

517243469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 41.

The square root of 517243469 is about 22742.9872488202. The cubic root of 517243469 is about 802.7217033503.

The spelling of 517243469 in words is "five hundred seventeen million, two hundred forty-three thousand, four hundred sixty-nine".