100000565 has 8 divisors (see below), whose sum is σ = 137143680. Its totient is φ = 68571792.

The previous prime is 100000561. The next prime is 100000567. The reversal of 100000565 is 565000001.

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 100000565 - 2² = 100000561 is a prime.

It is a super-2 number, since 2×100000565² = 20000226000638450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100000561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1428545 + ... + 1428614.

It is an arithmetic number, because the mean of its divisors is an integer number (17142960).

Almost surely, 2^100000565 is an apocalyptic number.

It is an amenable number.

100000565 is a deficient number, since it is larger than the sum of its proper divisors (37143115).

100000565 is an equidigital number, since it uses as much as digits as its factorization.

100000565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2857171.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 100000565 is about 10000.0282499601. The cubic root of 100000565 is about 464.1597575255.

Adding to 100000565 its reverse (565000001), we get a palindrome (665000566).

The spelling of 100000565 in words is "one hundred million, five hundred sixty-five", and thus it is an aban number.