5590861 has 2 divisors, whose sum is σ = 5590862. Its totient is φ = 5590860.

The previous prime is 5590853. The next prime is 5590873. The reversal of 5590861 is 1680955.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4435236 + 1155625 = 2106^2 + 1075^2 .

It is a cyclic number.

It is not a de Polignac number, because 5590861 - 2³ = 5590853 is a prime.

It is the 2365-th Hogben number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5590831) by changing a digit.

It is a nontrivial repunit in base 2364.

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, 2795430 + 2795431.

It is an arithmetic number, because the mean of its divisors is an integer number (2795431).

Almost surely, 2^5590861 is an apocalyptic number.

It is an amenable number.

5590861 is a deficient number, since it is larger than the sum of its proper divisors (1).

5590861 is an equidigital number, since it uses as much as digits as its factorization.

5590861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 34.

The square root of 5590861 is about 2364.5001585959. The cubic root of 5590861 is about 177.4841459092.

The spelling of 5590861 in words is "five million, five hundred ninety thousand, eight hundred sixty-one".