505752617 has 8 divisors (see below), whose sum is σ = 510572832. Its totient is φ = 500947200.

The previous prime is 505752607. The next prime is 505752619. The reversal of 505752617 is 716257505.

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 505752617 - 2¹⁰ = 505751593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505752619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72242 + ... + 78932.

It is an arithmetic number, because the mean of its divisors is an integer number (63821604).

Almost surely, 2^505752617 is an apocalyptic number.

It is an amenable number.

505752617 is a deficient number, since it is larger than the sum of its proper divisors (4820215).

505752617 is a wasteful number, since it uses less digits than its factorization.

505752617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7399.

The product of its (nonzero) digits is 73500, while the sum is 38.

The square root of 505752617 is about 22488.9443282694. The cubic root of 505752617 is about 796.7328298506.

The spelling of 505752617 in words is "five hundred five million, seven hundred fifty-two thousand, six hundred seventeen".