5640559 has 2 divisors, whose sum is σ = 5640560. Its totient is φ = 5640558.

The previous prime is 5640541. The next prime is 5640599. The reversal of 5640559 is 9550465.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5640559 - 2⁵ = 5640527 is a prime.

5640559 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5640599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2820279 + 2820280.

It is an arithmetic number, because the mean of its divisors is an integer number (2820280).

Almost surely, 2^5640559 is an apocalyptic number.

5640559 is a deficient number, since it is larger than the sum of its proper divisors (1).

5640559 is an equidigital number, since it uses as much as digits as its factorization.

5640559 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 5640559 is about 2374.9861052225. The cubic root of 5640559 is about 178.0084896847.

The spelling of 5640559 in words is "five million, six hundred forty thousand, five hundred fifty-nine".