100806273 has 6 divisors (see below), whose sum is σ = 145609074. Its totient is φ = 67204176.

The previous prime is 100806269. The next prime is 100806289. The reversal of 100806273 is 372608001.

It can be written as a sum of positive squares in only one way, i.e., 100460529 + 345744 = 10023^2 + 588^2 .

It is not a de Polignac number, because 100806273 - 2² = 100806269 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100806373) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5600340 + ... + 5600357.

It is an arithmetic number, because the mean of its divisors is an integer number (24268179).

Almost surely, 2^100806273 is an apocalyptic number.

It is an amenable number.

100806273 is a deficient number, since it is larger than the sum of its proper divisors (44802801).

100806273 is a wasteful number, since it uses less digits than its factorization.

100806273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11200703 (or 11200700 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 100806273 is about 10040.2327164264. The cubic root of 100806273 is about 465.4030082318.

The spelling of 100806273 in words is "one hundred million, eight hundred six thousand, two hundred seventy-three".