506100065 has 4 divisors (see below), whose sum is σ = 607320084. Its totient is φ = 404880048.

The previous prime is 506100041. The next prime is 506100071. The reversal of 506100065 is 560001605.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 57168721 + 448931344 = 7561^2 + 21188^2 .

It is a cyclic number.

It is not a de Polignac number, because 506100065 - 2¹² = 506095969 is a prime.

It is a super-2 number, since 2×506100065² = 512274551586008450, which contains 22 as substring.

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 506100065.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50610002 + ... + 50610011.

It is an arithmetic number, because the mean of its divisors is an integer number (151830021).

Almost surely, 2^506100065 is an apocalyptic number.

It is an amenable number.

506100065 is a deficient number, since it is larger than the sum of its proper divisors (101220019).

506100065 is a wasteful number, since it uses less digits than its factorization.

506100065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101220018.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 506100065 is about 22496.6678643749. The cubic root of 506100065 is about 796.9152377785.

The spelling of 506100065 in words is "five hundred six million, one hundred thousand, sixty-five".