100533305 has 4 divisors (see below), whose sum is σ = 120639972. Its totient is φ = 80426640.

The previous prime is 100533263. The next prime is 100533311. The reversal of 100533305 is 503335001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 503335001 = 13 ⋅38718077.

It can be written as a sum of positive squares in 2 ways, for example, as 10738729 + 89794576 = 3277^2 + 9476^2 .

It is not a de Polignac number, because 100533305 - 2¹⁴ = 100516921 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10053326 + ... + 10053335.

It is an arithmetic number, because the mean of its divisors is an integer number (30159993).

Almost surely, 2^100533305 is an apocalyptic number.

It is an amenable number.

100533305 is a deficient number, since it is larger than the sum of its proper divisors (20106667).

100533305 is an equidigital number, since it uses as much as digits as its factorization.

100533305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20106666.

The product of its (nonzero) digits is 675, while the sum is 20.

The square root of 100533305 is about 10026.6297927070. The cubic root of 100533305 is about 464.9825483873.

Adding to 100533305 its reverse (503335001), we get a palindrome (603868306).

The spelling of 100533305 in words is "one hundred million, five hundred thirty-three thousand, three hundred five".