514913907517 has 2 divisors, whose sum is σ = 514913907518. Its totient is φ = 514913907516.

The previous prime is 514913907499. The next prime is 514913907569. The reversal of 514913907517 is 715709319415.

It is a happy number.

It is an a-pointer prime, because the next prime (514913907569) can be obtained adding 514913907517 to its sum of digits (52).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 514460473081 + 453434436 = 717259^2 + 21294^2 .

It is a cyclic number.

It is not a de Polignac number, because 514913907517 - 2¹¹ = 514913905469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (514913907587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257456953758 + 257456953759.

It is an arithmetic number, because the mean of its divisors is an integer number (257456953759).

Almost surely, 2^514913907517 is an apocalyptic number.

It is an amenable number.

514913907517 is a deficient number, since it is larger than the sum of its proper divisors (1).

514913907517 is an equidigital number, since it uses as much as digits as its factorization.

514913907517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1190700, while the sum is 52.

The spelling of 514913907517 in words is "five hundred fourteen billion, nine hundred thirteen million, nine hundred seven thousand, five hundred seventeen".