5660591 has 2 divisors, whose sum is σ = 5660592. Its totient is φ = 5660590.

The previous prime is 5660581. The next prime is 5660623. The reversal of 5660591 is 1950665.

It is an a-pointer prime, because the next prime (5660623) can be obtained adding 5660591 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5660591 - 2⁶ = 5660527 is a prime.

It is a Sophie Germain prime.

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 (5660521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2830295 + 2830296.

It is an arithmetic number, because the mean of its divisors is an integer number (2830296).

Almost surely, 2^5660591 is an apocalyptic number.

5660591 is a deficient number, since it is larger than the sum of its proper divisors (1).

5660591 is an equidigital number, since it uses as much as digits as its factorization.

5660591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8100, while the sum is 32.

The square root of 5660591 is about 2379.1996553463. The cubic root of 5660591 is about 178.2189684143.

The spelling of 5660591 in words is "five million, six hundred sixty thousand, five hundred ninety-one".