1085636533 has 2 divisors, whose sum is σ = 1085636534. Its totient is φ = 1085636532.

The previous prime is 1085636527. The next prime is 1085636543. The reversal of 1085636533 is 3356365801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 601328484 + 484308049 = 24522^2 + 22007^2 .

It is a cyclic number.

It is not a de Polignac number, because 1085636533 - 2⁹ = 1085636021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1085636543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 542818266 + 542818267.

It is an arithmetic number, because the mean of its divisors is an integer number (542818267).

Almost surely, 2^1085636533 is an apocalyptic number.

It is an amenable number.

1085636533 is a deficient number, since it is larger than the sum of its proper divisors (1).

1085636533 is an equidigital number, since it uses as much as digits as its factorization.

1085636533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 194400, while the sum is 40.

The square root of 1085636533 is about 32948.9989681022. The cubic root of 1085636533 is about 1027.7673488894.

The spelling of 1085636533 in words is "one billion, eighty-five million, six hundred thirty-six thousand, five hundred thirty-three".