516540271 has 8 divisors (see below), whose sum is σ = 556834320. Its totient is φ = 476326272.

The previous prime is 516540163. The next prime is 516540413. The reversal of 516540271 is 172045615.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 516540271 - 2²¹ = 514443119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516540671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6250 + ... + 32743.

It is an arithmetic number, because the mean of its divisors is an integer number (69604290).

Almost surely, 2^516540271 is an apocalyptic number.

516540271 is a deficient number, since it is larger than the sum of its proper divisors (40294049).

516540271 is a wasteful number, since it uses less digits than its factorization.

516540271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40025.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 516540271 is about 22727.5223242658. The cubic root of 516540271 is about 802.3577688104.

Adding to 516540271 its reverse (172045615), we get a palindrome (688585886).

The spelling of 516540271 in words is "five hundred sixteen million, five hundred forty thousand, two hundred seventy-one".