2065559 has 2 divisors, whose sum is σ = 2065560. Its totient is φ = 2065558.

The previous prime is 2065523. The next prime is 2065571. The reversal of 2065559 is 9555602.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2065559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2065579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1032779 + 1032780.

It is an arithmetic number, because the mean of its divisors is an integer number (1032780).

2^2065559 is an apocalyptic number.

2065559 is a deficient number, since it is larger than the sum of its proper divisors (1).

2065559 is an equidigital number, since it uses as much as digits as its factorization.

2065559 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13500, while the sum is 32.

The square root of 2065559 is about 1437.2052741345. The cubic root of 2065559 is about 127.3539838100.

The spelling of 2065559 in words is "two million, sixty-five thousand, five hundred fifty-nine".