1085528369 has 2 divisors, whose sum is σ = 1085528370. Its totient is φ = 1085528368.

The previous prime is 1085528363. The next prime is 1085528383. The reversal of 1085528369 is 9638255801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 844657969 + 240870400 = 29063^2 + 15520^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1085528369 is a prime.

It is a super-2 number, since 2×1085528369² = 2356743679807600322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1085528363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 542764184 + 542764185.

It is an arithmetic number, because the mean of its divisors is an integer number (542764185).

Almost surely, 2^1085528369 is an apocalyptic number.

It is an amenable number.

1085528369 is a deficient number, since it is larger than the sum of its proper divisors (1).

1085528369 is an equidigital number, since it uses as much as digits as its factorization.

1085528369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 518400, while the sum is 47.

The square root of 1085528369 is about 32947.3575419942. The cubic root of 1085528369 is about 1027.7332149609.

The spelling of 1085528369 in words is "one billion, eighty-five million, five hundred twenty-eight thousand, three hundred sixty-nine".