10218305 has 8 divisors (see below), whose sum is σ = 12547392. Its totient is φ = 7984368.

The previous prime is 10218283. The next prime is 10218311. The reversal of 10218305 is 50381201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10218305 - 2¹⁰ = 10217281 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23549 + ... + 23978.

It is an arithmetic number, because the mean of its divisors is an integer number (1568424).

Almost surely, 2^10218305 is an apocalyptic number.

It is an amenable number.

10218305 is a deficient number, since it is larger than the sum of its proper divisors (2329087).

10218305 is an equidigital number, since it uses as much as digits as its factorization.

10218305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47575.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 10218305 is about 3196.6083588704. The cubic root of 10218305 is about 216.9999433696. Note that the first 4 decimals are identical.

Adding to 10218305 its reverse (50381201), we get a palindrome (60599506).

The spelling of 10218305 in words is "ten million, two hundred eighteen thousand, three hundred five".