5606894581 has 2 divisors, whose sum is σ = 5606894582. Its totient is φ = 5606894580.

The previous prime is 5606894561. The next prime is 5606894599. The reversal of 5606894581 is 1854986065.

5606894581 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3805656100 + 1801238481 = 61690^2 + 42441^2 .

It is a cyclic number.

It is not a de Polignac number, because 5606894581 - 2¹⁹ = 5606370293 is a prime.

It is a super-2 number, since 2×5606894581² = 62874533684894331122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5606894561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2803447290 + 2803447291.

It is an arithmetic number, because the mean of its divisors is an integer number (2803447291).

Almost surely, 2^5606894581 is an apocalyptic number.

It is an amenable number.

5606894581 is a deficient number, since it is larger than the sum of its proper divisors (1).

5606894581 is an equidigital number, since it uses as much as digits as its factorization.

5606894581 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2073600, while the sum is 52.

The square root of 5606894581 is about 74879.1999222748. The cubic root of 5606894581 is about 1776.5364815175.

The spelling of 5606894581 in words is "five billion, six hundred six million, eight hundred ninety-four thousand, five hundred eighty-one".