100538611 has 4 divisors (see below), whose sum is σ = 103781824. Its totient is φ = 97295400.

The previous prime is 100538569. The next prime is 100538651. The reversal of 100538611 is 116835001.

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

It is a cyclic number.

It is not a de Polignac number, because 100538611 - 2⁷ = 100538483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100538651) 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 3 ways as a sum of consecutive naturals, for example, 1621560 + ... + 1621621.

It is an arithmetic number, because the mean of its divisors is an integer number (25945456).

Almost surely, 2^100538611 is an apocalyptic number.

100538611 is a deficient number, since it is larger than the sum of its proper divisors (3243213).

100538611 is an equidigital number, since it uses as much as digits as its factorization.

100538611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3243212.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 100538611 is about 10026.8943846038. The cubic root of 100538611 is about 464.9907286085.

The spelling of 100538611 in words is "one hundred million, five hundred thirty-eight thousand, six hundred eleven".