100650005 has 4 divisors (see below), whose sum is σ = 120780012. Its totient is φ = 80520000.

The previous prime is 100649993. The next prime is 100650023. The reversal of 100650005 is 500056001.

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 69189124 + 31460881 = 8318^2 + 5609^2 .

It is not a de Polignac number, because 100650005 - 2¹⁰ = 100648981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 10064996 + ... + 10065005.

It is an arithmetic number, because the mean of its divisors is an integer number (30195003).

Almost surely, 2^100650005 is an apocalyptic number.

It is an amenable number.

100650005 is a deficient number, since it is larger than the sum of its proper divisors (20130007).

100650005 is an equidigital number, since it uses as much as digits as its factorization.

100650005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20130006.

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

The square root of 100650005 is about 10032.4476076379. The cubic root of 100650005 is about 465.1623975110.

The spelling of 100650005 in words is "one hundred million, six hundred fifty thousand, five".