5216551 has 4 divisors (see below), whose sum is σ = 5256504. Its totient is φ = 5176600.

The previous prime is 5216521. The next prime is 5216567. The reversal of 5216551 is 1556125.

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

It is a cyclic number.

It is not a de Polignac number, because 5216551 - 2⁹ = 5216039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5216521) 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 3 ways as a sum of consecutive naturals, for example, 19780 + ... + 20041.

It is an arithmetic number, because the mean of its divisors is an integer number (1314126).

Almost surely, 2^5216551 is an apocalyptic number.

5216551 is a deficient number, since it is larger than the sum of its proper divisors (39953).

5216551 is a wasteful number, since it uses less digits than its factorization.

5216551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39952.

The product of its digits is 1500, while the sum is 25.

The square root of 5216551 is about 2283.9770138948. The cubic root of 5216551 is about 173.4314356725.

The spelling of 5216551 in words is "five million, two hundred sixteen thousand, five hundred fifty-one".