100550003 has 2 divisors, whose sum is σ = 100550004. Its totient is φ = 100550002.

The previous prime is 100549991. The next prime is 100550011. The reversal of 100550003 is 300055001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100550003 - 2¹⁰ = 100548979 is a prime.

It is a super-2 number, since 2×100550003² = 20220606206600018, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100550003.

It is not a weakly prime, because it can be changed into another prime (100550083) 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 as a sum of consecutive naturals, namely, 50275001 + 50275002.

It is an arithmetic number, because the mean of its divisors is an integer number (50275002).

Almost surely, 2^100550003 is an apocalyptic number.

100550003 is a deficient number, since it is larger than the sum of its proper divisors (1).

100550003 is an equidigital number, since it uses as much as digits as its factorization.

100550003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75, while the sum is 14.

The square root of 100550003 is about 10027.4624407175. The cubic root of 100550003 is about 465.0082905987.

The spelling of 100550003 in words is "one hundred million, five hundred fifty thousand, three".