100803851 has 2 divisors, whose sum is σ = 100803852. Its totient is φ = 100803850.

The previous prime is 100803839. The next prime is 100803853. The reversal of 100803851 is 158308001.

It is a strong prime.

It is an emirp because it is prime and its reverse (158308001) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100803851 is a prime.

It is a super-2 number, since 2×100803851² = 20322832752860402, which contains 22 as substring.

Together with 100803853, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100803851.

It is not a weakly prime, because it can be changed into another prime (100803853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50401925 + 50401926.

It is an arithmetic number, because the mean of its divisors is an integer number (50401926).

Almost surely, 2^100803851 is an apocalyptic number.

100803851 is a deficient number, since it is larger than the sum of its proper divisors (1).

100803851 is an equidigital number, since it uses as much as digits as its factorization.

100803851 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 100803851 is about 10040.1121009678. The cubic root of 100803851 is about 465.3992809005.

It can be divided in two parts, 10080 and 3851, that added together give a palindrome (13931).

The spelling of 100803851 in words is "one hundred million, eight hundred three thousand, eight hundred fifty-one".