1053565085 has 4 divisors (see below), whose sum is σ = 1264278108. Its totient is φ = 842852064.

The previous prime is 1053565063. The next prime is 1053565087. The reversal of 1053565085 is 5805653501.

1053565085 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 203376121 + 850188964 = 14261^2 + 29158^2 .

It is a cyclic number.

It is not a de Polignac number, because 1053565085 - 2²⁶ = 986456221 is a prime.

It is a super-2 number, since 2×1053565085² = 2219998776662114450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1053565087) 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, 105356504 + ... + 105356513.

It is an arithmetic number, because the mean of its divisors is an integer number (316069527).

Almost surely, 2^1053565085 is an apocalyptic number.

It is an amenable number.

1053565085 is a deficient number, since it is larger than the sum of its proper divisors (210713023).

1053565085 is an equidigital number, since it uses as much as digits as its factorization.

1053565085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210713022.

The product of its (nonzero) digits is 90000, while the sum is 38.

The square root of 1053565085 is about 32458.6673324707. The cubic root of 1053565085 is about 1017.5453873227.

The spelling of 1053565085 in words is "one billion, fifty-three million, five hundred sixty-five thousand, eighty-five".