531045414517 has 2 divisors, whose sum is σ = 531045414518. Its totient is φ = 531045414516.

The previous prime is 531045414511. The next prime is 531045414569. The reversal of 531045414517 is 715414540135.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 470494477476 + 60550937041 = 685926^2 + 246071^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-531045414517 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 531045414517.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (531045414511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265522707258 + 265522707259.

It is an arithmetic number, because the mean of its divisors is an integer number (265522707259).

Almost surely, 2^531045414517 is an apocalyptic number.

It is an amenable number.

531045414517 is a deficient number, since it is larger than the sum of its proper divisors (1).

531045414517 is an equidigital number, since it uses as much as digits as its factorization.

531045414517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168000, while the sum is 40.

The spelling of 531045414517 in words is "five hundred thirty-one billion, forty-five million, four hundred fourteen thousand, five hundred seventeen".