5516261 has 2 divisors, whose sum is σ = 5516262. Its totient is φ = 5516260.

The previous prime is 5516237. The next prime is 5516267. The reversal of 5516261 is 1626155.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2856100 + 2660161 = 1690^2 + 1631^2 .

It is a cyclic number.

It is not a de Polignac number, because 5516261 - 2¹⁴ = 5499877 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is equal to p₃₈₁₈₄₂ and since 5516261 and 381842 have the same sum of digits, it is a Honaker prime.

It is a plaindrome in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 5516261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5516267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2758130 + 2758131.

It is an arithmetic number, because the mean of its divisors is an integer number (2758131).

Almost surely, 2^5516261 is an apocalyptic number.

It is an amenable number.

5516261 is a deficient number, since it is larger than the sum of its proper divisors (1).

5516261 is an equidigital number, since it uses as much as digits as its factorization.

5516261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1800, while the sum is 26.

The square root of 5516261 is about 2348.6721780615. The cubic root of 5516261 is about 176.6912061953.

The spelling of 5516261 in words is "five million, five hundred sixteen thousand, two hundred sixty-one".