5218451 has 12 divisors (see below), whose sum is σ = 6108120. Its totient is φ = 4445280.

The previous prime is 5218441. The next prime is 5218471. The reversal of 5218451 is 1548125.

It is a de Polignac number, because none of the positive numbers 2^k-5218451 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5218451.

It is not an unprimeable number, because it can be changed into a prime (5218441) 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 11 ways as a sum of consecutive naturals, for example, 13580 + ... + 13958.

It is an arithmetic number, because the mean of its divisors is an integer number (509010).

Almost surely, 2^5218451 is an apocalyptic number.

5218451 is a deficient number, since it is larger than the sum of its proper divisors (889669).

5218451 is a wasteful number, since it uses less digits than its factorization.

5218451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674 (or 667 counting only the distinct ones).

The product of its digits is 1600, while the sum is 26.

The square root of 5218451 is about 2284.3929171664. The cubic root of 5218451 is about 173.4524891572.

The spelling of 5218451 in words is "five million, two hundred eighteen thousand, four hundred fifty-one".