5216305 has 8 divisors (see below), whose sum is σ = 6274152. Its totient is φ = 4163328.

The previous prime is 5216303. The next prime is 5216311. The reversal of 5216305 is 5036125.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 274576 + 4941729 = 524^2 + 2223^2 .

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 5216305 - 2¹ = 5216303 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

5216305 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5216303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1849 + ... + 3721.

It is an arithmetic number, because the mean of its divisors is an integer number (784269).

Almost surely, 2^5216305 is an apocalyptic number.

It is an amenable number.

5216305 is a deficient number, since it is larger than the sum of its proper divisors (1057847).

5216305 is a wasteful number, since it uses less digits than its factorization.

5216305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2435.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 5216305 is about 2283.9231598283. The cubic root of 5216305 is about 173.4287094265.

The spelling of 5216305 in words is "five million, two hundred sixteen thousand, three hundred five".