100501065 has 48 divisors (see below), whose sum is σ = 204492288. Its totient is φ = 44696448.

The previous prime is 100501061. The next prime is 100501067. The reversal of 100501065 is 560105001.

100501065 is a `hidden beast` number, since 100 + 501 + 0 + 65 = 666.

It is not a de Polignac number, because 100501065 - 2² = 100501061 is a prime.

It is a super-2 number, since 2×100501065² = 20200928132268450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100501061) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7344 + ... + 15966.

It is an arithmetic number, because the mean of its divisors is an integer number (4260256).

Almost surely, 2^100501065 is an apocalyptic number.

100501065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100501065 is an abundant number, since it is smaller than the sum of its proper divisors (103991223).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100501065 is a wasteful number, since it uses less digits than its factorization.

100501065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8678 (or 8675 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 100501065 is about 10025.0219451131. The cubic root of 100501065 is about 464.9328380280.

Adding to 100501065 its reverse (560105001), we get a palindrome (660606066).

The spelling of 100501065 in words is "one hundred million, five hundred one thousand, sixty-five".