5650861 has 2 divisors, whose sum is σ = 5650862. Its totient is φ = 5650860.

The previous prime is 5650859. The next prime is 5650867. The reversal of 5650861 is 1680565.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4813636 + 837225 = 2194^2 + 915^2 .

It is a cyclic number.

It is not a de Polignac number, because 5650861 - 2¹ = 5650859 is a prime.

It is a super-3 number, since 3×5650861³ (a number of 21 digits) contains 333 as substring.

Together with 5650859, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5650867) 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, 2825430 + 2825431.

It is an arithmetic number, because the mean of its divisors is an integer number (2825431).

Almost surely, 2^5650861 is an apocalyptic number.

It is an amenable number.

5650861 is a deficient number, since it is larger than the sum of its proper divisors (1).

5650861 is an equidigital number, since it uses as much as digits as its factorization.

5650861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 5650861 is about 2377.1539706128. The cubic root of 5650861 is about 178.1167962160.

The spelling of 5650861 in words is "five million, six hundred fifty thousand, eight hundred sixty-one".