1085528069 has 2 divisors, whose sum is σ = 1085528070. Its totient is φ = 1085528068.

The previous prime is 1085528011. The next prime is 1085528111. The reversal of 1085528069 is 9608255801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1084911844 + 616225 = 32938^2 + 785^2 .

It is a cyclic number.

It is not a de Polignac number, because 1085528069 - 2⁸ = 1085527813 is a prime.

It is a super-2 number, since 2×1085528069² = 2356742377173737522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1085528369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 542764034 + 542764035.

It is an arithmetic number, because the mean of its divisors is an integer number (542764035).

Almost surely, 2^1085528069 is an apocalyptic number.

It is an amenable number.

1085528069 is a deficient number, since it is larger than the sum of its proper divisors (1).

1085528069 is an equidigital number, since it uses as much as digits as its factorization.

1085528069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 172800, while the sum is 44.

The square root of 1085528069 is about 32947.3529892767. The cubic root of 1085528069 is about 1027.7331202850.

The spelling of 1085528069 in words is "one billion, eighty-five million, five hundred twenty-eight thousand, sixty-nine".