506021065 has 32 divisors (see below), whose sum is σ = 720399744. Its totient is φ = 336983040.

The previous prime is 506021063. The next prime is 506021069. The reversal of 506021065 is 560120605.

It is not a de Polignac number, because 506021065 - 2¹ = 506021063 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (506021063) 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 31 ways as a sum of consecutive naturals, for example, 27282 + ... + 41908.

It is an arithmetic number, because the mean of its divisors is an integer number (22512492).

Almost surely, 2^506021065 is an apocalyptic number.

506021065 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

506021065 is a deficient number, since it is larger than the sum of its proper divisors (214378679).

506021065 is a wasteful number, since it uses less digits than its factorization.

506021065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14697.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 506021065 is about 22494.9119802679. The cubic root of 506021065 is about 796.8737706299.

The spelling of 506021065 in words is "five hundred six million, twenty-one thousand, sixty-five".