1058881385 has 4 divisors (see below), whose sum is σ = 1270657668. Its totient is φ = 847105104.

The previous prime is 1058881367. The next prime is 1058881387. The reversal of 1058881385 is 5831888501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5831888501 = 25577 ⋅228013.

It can be written as a sum of positive squares in 2 ways, for example, as 371602729 + 687278656 = 19277^2 + 26216^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1058881385 is a prime.

It is a super-2 number, since 2×1058881385² = 2242459574999036450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1058881387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105888134 + ... + 105888143.

It is an arithmetic number, because the mean of its divisors is an integer number (317664417).

Almost surely, 2^1058881385 is an apocalyptic number.

It is an amenable number.

1058881385 is a deficient number, since it is larger than the sum of its proper divisors (211776283).

1058881385 is an equidigital number, since it uses as much as digits as its factorization.

1058881385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211776282.

The product of its (nonzero) digits is 307200, while the sum is 47.

The square root of 1058881385 is about 32540.4576642677. The cubic root of 1058881385 is about 1019.2540313403.

The spelling of 1058881385 in words is "one billion, fifty-eight million, eight hundred eighty-one thousand, three hundred eighty-five".