505295617 has 8 divisors (see below), whose sum is σ = 511822080. Its totient is φ = 498779760.

The previous prime is 505295611. The next prime is 505295621. The reversal of 505295617 is 716592505.

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 505295617 - 2¹⁹ = 504771329 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 505295617.

It is not an unprimeable number, because it can be changed into a prime (505295611) 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, 144267 + ... + 147727.

It is an arithmetic number, because the mean of its divisors is an integer number (63977760).

Almost surely, 2^505295617 is an apocalyptic number.

It is an amenable number.

505295617 is a deficient number, since it is larger than the sum of its proper divisors (6526463).

505295617 is a wasteful number, since it uses less digits than its factorization.

505295617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5303.

The product of its (nonzero) digits is 94500, while the sum is 40.

The square root of 505295617 is about 22478.7814838794. The cubic root of 505295617 is about 796.4927805884.

The spelling of 505295617 in words is "five hundred five million, two hundred ninety-five thousand, six hundred seventeen".