516501505 has 8 divisors (see below), whose sum is σ = 667478952. Its totient is φ = 381416448.

The previous prime is 516501473. The next prime is 516501521. The reversal of 516501505 is 505105615.

It can be written as a sum of positive squares in 4 ways, for example, as 91853056 + 424648449 = 9584^2 + 20607^2 .

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 516501505 - 2⁵ = 516501473 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3973024 + ... + 3973153.

It is an arithmetic number, because the mean of its divisors is an integer number (83434869).

Almost surely, 2^516501505 is an apocalyptic number.

It is an amenable number.

516501505 is a deficient number, since it is larger than the sum of its proper divisors (150977447).

516501505 is a wasteful number, since it uses less digits than its factorization.

516501505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7946195.

The product of its (nonzero) digits is 3750, while the sum is 28.

The square root of 516501505 is about 22726.6694656300. The cubic root of 516501505 is about 802.3376961712.

The spelling of 516501505 in words is "five hundred sixteen million, five hundred one thousand, five hundred five".