5218065 has 48 divisors (see below), whose sum is σ = 10108800. Its totient is φ = 2474496.

The previous prime is 5218061. The next prime is 5218067. The reversal of 5218065 is 5608125.

5218065 is a `hidden beast` number, since 521 + 80 + 65 = 666.

5218065 is a nontrivial binomial coefficient, being equal to C(3231, 2).

It is not a de Polignac number, because 5218065 - 2² = 5218061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5218061) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 14356 + ... + 14714.

It is an arithmetic number, because the mean of its divisors is an integer number (210600).

Almost surely, 2^5218065 is an apocalyptic number.

5218065 is the 3230-th triangular number.

It is an amenable number.

5218065 is a deficient number, since it is larger than the sum of its proper divisors (4890735).

5218065 is a wasteful number, since it uses less digits than its factorization.

5218065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406 (or 403 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 5218065 is about 2284.3084292626. The cubic root of 5218065 is about 173.4482123892.

The spelling of 5218065 in words is "five million, two hundred eighteen thousand, sixty-five".