506455017 has 16 divisors (see below), whose sum is σ = 690493440. Its totient is φ = 330110352.

The previous prime is 506454929. The next prime is 506455021. The reversal of 506455017 is 710554605.

It is not a de Polignac number, because 506455017 - 2¹² = 506450921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (506455097) 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 15 ways as a sum of consecutive naturals, for example, 14038 + ... + 34784.

It is an arithmetic number, because the mean of its divisors is an integer number (43155840).

Almost surely, 2^506455017 is an apocalyptic number.

It is an amenable number.

506455017 is a deficient number, since it is larger than the sum of its proper divisors (184038423).

506455017 is a wasteful number, since it uses less digits than its factorization.

506455017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20932.

The product of its (nonzero) digits is 21000, while the sum is 33.

The square root of 506455017 is about 22504.5554721705. Note that the first 3 decimals coincide. The cubic root of 506455017 is about 797.1014990692.

The spelling of 506455017 in words is "five hundred six million, four hundred fifty-five thousand, seventeen".