1065520827 has 18 divisors (see below), whose sum is σ = 1790365668. Its totient is φ = 608868792.

The previous prime is 1065520823. The next prime is 1065520837. The reversal of 1065520827 is 7280255601.

It is a happy number.

1065520827 is a `hidden beast` number, since 106 + 5 + 520 + 8 + 27 = 666.

It is not a de Polignac number, because 1065520827 - 2² = 1065520823 is a prime.

It is a super-2 number, since 2×1065520827² = 2270669265541527858, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1065520791 and 1065520800.

It is not an unprimeable number, because it can be changed into a prime (1065520823) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1207633 + ... + 1208514.

Almost surely, 2^1065520827 is an apocalyptic number.

1065520827 is a deficient number, since it is larger than the sum of its proper divisors (724844841).

1065520827 is a wasteful number, since it uses less digits than its factorization.

1065520827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2416167 (or 2416157 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 1065520827 is about 32642.3165078706. The cubic root of 1065520827 is about 1021.3799172138.

The spelling of 1065520827 in words is "one billion, sixty-five million, five hundred twenty thousand, eight hundred twenty-seven".