5516281 has 2 divisors, whose sum is σ = 5516282. Its totient is φ = 5516280.

The previous prime is 5516267. The next prime is 5516393. The reversal of 5516281 is 1826155.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4064256 + 1452025 = 2016^2 + 1205^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5516281 is a prime.

It is a super-2 number, since 2×5516281² = 60858712141922, which contains 22 as substring.

It is a Chen prime.

It is equal to p₃₈₁₈₄₄ and since 5516281 and 381844 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (5516221) 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 as a sum of consecutive naturals, namely, 2758140 + 2758141.

It is an arithmetic number, because the mean of its divisors is an integer number (2758141).

Almost surely, 2^5516281 is an apocalyptic number.

It is an amenable number.

5516281 is a deficient number, since it is larger than the sum of its proper divisors (1).

5516281 is an equidigital number, since it uses as much as digits as its factorization.

5516281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2400, while the sum is 28.

The square root of 5516281 is about 2348.6764357825. The cubic root of 5516281 is about 176.6914197348.

The spelling of 5516281 in words is "five million, five hundred sixteen thousand, two hundred eighty-one".