1805059 has 2 divisors, whose sum is σ = 1805060. Its totient is φ = 1805058.

The previous prime is 1805053. The next prime is 1805081. The reversal of 1805059 is 9505081.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1805059 - 2⁹ = 1804547 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1805053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 902529 + 902530.

It is an arithmetic number, because the mean of its divisors is an integer number (902530).

2^1805059 is an apocalyptic number.

1805059 is a deficient number, since it is larger than the sum of its proper divisors (1).

1805059 is an equidigital number, since it uses as much as digits as its factorization.

1805059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 28.

The square root of 1805059 is about 1343.5248416014. The cubic root of 1805059 is about 121.7578957560.

The spelling of 1805059 in words is "one million, eight hundred five thousand, fifty-nine".