1058020685 has 4 divisors (see below), whose sum is σ = 1269624828. Its totient is φ = 846416544.

The previous prime is 1058020673. The next prime is 1058020709. The reversal of 1058020685 is 5860208501.

It is a happy number.

1058020685 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 202692169 + 855328516 = 14237^2 + 29246^2 .

It is a cyclic number.

It is not a de Polignac number, because 1058020685 - 2¹⁰ = 1058019661 is a prime.

It is a super-2 number, since 2×1058020685² = 2238815539775738450, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105802064 + ... + 105802073.

It is an arithmetic number, because the mean of its divisors is an integer number (317406207).

Almost surely, 2^1058020685 is an apocalyptic number.

It is an amenable number.

1058020685 is a deficient number, since it is larger than the sum of its proper divisors (211604143).

1058020685 is an equidigital number, since it uses as much as digits as its factorization.

1058020685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211604142.

The product of its (nonzero) digits is 19200, while the sum is 35.

The square root of 1058020685 is about 32527.2299005003. The cubic root of 1058020685 is about 1018.9777933662.

The spelling of 1058020685 in words is "one billion, fifty-eight million, twenty thousand, six hundred eighty-five".