517140653 has 2 divisors, whose sum is σ = 517140654. Its totient is φ = 517140652.

The previous prime is 517140643. The next prime is 517140677. The reversal of 517140653 is 356041715.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 508367209 + 8773444 = 22547^2 + 2962^2 .

It is a cyclic number.

It is not a de Polignac number, because 517140653 - 2⁸ = 517140397 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (517140643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258570326 + 258570327.

It is an arithmetic number, because the mean of its divisors is an integer number (258570327).

Almost surely, 2^517140653 is an apocalyptic number.

It is an amenable number.

517140653 is a deficient number, since it is larger than the sum of its proper divisors (1).

517140653 is an equidigital number, since it uses as much as digits as its factorization.

517140653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 517140653 is about 22740.7267474019. The cubic root of 517140653 is about 802.6685123428.

The spelling of 517140653 in words is "five hundred seventeen million, one hundred forty thousand, six hundred fifty-three".