1058809 has 2 divisors, whose sum is σ = 1058810. Its totient is φ = 1058808.

The previous prime is 1058807. The next prime is 1058821. The reversal of 1058809 is 9088501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1056784 + 2025 = 1028^2 + 45^2 .

It is a cyclic number.

It is not a de Polignac number, because 1058809 - 2¹ = 1058807 is a prime.

It is a super-2 number, since 2×1058809² = 2242152996962, which contains 22 as substring.

Together with 1058807, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1058803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 529404 + 529405.

It is an arithmetic number, because the mean of its divisors is an integer number (529405).

2^1058809 is an apocalyptic number.

It is an amenable number.

1058809 is a deficient number, since it is larger than the sum of its proper divisors (1).

1058809 is an equidigital number, since it uses as much as digits as its factorization.

1058809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 31.

The square root of 1058809 is about 1028.9844508057. The cubic root of 1058809 is about 101.9230805451.

The spelling of 1058809 in words is "one million, fifty-eight thousand, eight hundred nine".