505005017 has 4 divisors (see below), whose sum is σ = 550914576. Its totient is φ = 459095460.

The previous prime is 505005001. The next prime is 505005019. The reversal of 505005017 is 710500505.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 505005017 - 2⁴ = 505005001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 505004983 and 505005001.

It is not an unprimeable number, because it can be changed into a prime (505005019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22954763 + ... + 22954784.

It is an arithmetic number, because the mean of its divisors is an integer number (137728644).

Almost surely, 2^505005017 is an apocalyptic number.

It is an amenable number.

505005017 is a deficient number, since it is larger than the sum of its proper divisors (45909559).

505005017 is a wasteful number, since it uses less digits than its factorization.

505005017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45909558.

The product of its (nonzero) digits is 875, while the sum is 23.

The square root of 505005017 is about 22472.3166807519. The cubic root of 505005017 is about 796.3400612823.

The spelling of 505005017 in words is "five hundred five million, five thousand, seventeen".