1058906509 has 2 divisors, whose sum is σ = 1058906510. Its totient is φ = 1058906508.

The previous prime is 1058906413. The next prime is 1058906533. The reversal of 1058906509 is 9056098501.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 991305225 + 67601284 = 31485^2 + 8222^2 .

It is a cyclic number.

It is not a de Polignac number, because 1058906509 - 2¹¹ = 1058904461 is a prime.

It is a super-2 number, since 2×1058906509² = 2242565989605134162, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1058906539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 529453254 + 529453255.

It is an arithmetic number, because the mean of its divisors is an integer number (529453255).

Almost surely, 2^1058906509 is an apocalyptic number.

It is an amenable number.

1058906509 is a deficient number, since it is larger than the sum of its proper divisors (1).

1058906509 is an equidigital number, since it uses as much as digits as its factorization.

1058906509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 97200, while the sum is 43.

The square root of 1058906509 is about 32540.8437044893. The cubic root of 1058906509 is about 1019.2620925314.

The spelling of 1058906509 in words is "one billion, fifty-eight million, nine hundred six thousand, five hundred nine".