16485305 has 4 divisors (see below), whose sum is σ = 19782372. Its totient is φ = 13188240.

The previous prime is 16485281. The next prime is 16485307. The reversal of 16485305 is 50358461.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3031081 + 13454224 = 1741^2 + 3668^2 .

It is not a de Polignac number, because 16485305 - 2¹² = 16481209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16485307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1648526 + ... + 1648535.

It is an arithmetic number, because the mean of its divisors is an integer number (4945593).

Almost surely, 2^16485305 is an apocalyptic number.

It is an amenable number.

16485305 is a deficient number, since it is larger than the sum of its proper divisors (3297067).

16485305 is an equidigital number, since it uses as much as digits as its factorization.

16485305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3297066.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 16485305 is about 4060.2099699400. The cubic root of 16485305 is about 254.5065685612.

The spelling of 16485305 in words is "sixteen million, four hundred eighty-five thousand, three hundred five".