1830559 has 2 divisors, whose sum is σ = 1830560. Its totient is φ = 1830558.

The previous prime is 1830557. The next prime is 1830571. The reversal of 1830559 is 9550381.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1830559 - 2¹ = 1830557 is a prime.

Together with 1830557, it forms a pair of twin primes.

It is a Chen prime.

1830559 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1830559.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1830557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 915279 + 915280.

It is an arithmetic number, because the mean of its divisors is an integer number (915280).

2^1830559 is an apocalyptic number.

1830559 is a deficient number, since it is larger than the sum of its proper divisors (1).

1830559 is an equidigital number, since it uses as much as digits as its factorization.

1830559 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 1830559 is about 1352.9815224163. The cubic root of 1830559 is about 122.3285732114.

The spelling of 1830559 in words is "one million, eight hundred thirty thousand, five hundred fifty-nine".