1065551233 has 8 divisors (see below), whose sum is σ = 1087062120. Its totient is φ = 1044170880.

The previous prime is 1065551231. The next prime is 1065551243. The reversal of 1065551233 is 3321555601.

It can be written as a sum of positive squares in 4 ways, for example, as 2334784 + 1063216449 = 1528^2 + 32607^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1065551233 - 2¹ = 1065551231 is a prime.

It is a super-2 number, since 2×1065551233² = 2270798860295640578, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1065551195 and 1065551204.

It is not an unprimeable number, because it can be changed into a prime (1065551231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16060 + ... + 48877.

It is an arithmetic number, because the mean of its divisors is an integer number (135882765).

Almost surely, 2^1065551233 is an apocalyptic number.

It is an amenable number.

1065551233 is a deficient number, since it is larger than the sum of its proper divisors (21510887).

1065551233 is an equidigital number, since it uses as much as digits as its factorization.

1065551233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65267.

The product of its (nonzero) digits is 13500, while the sum is 31.

The square root of 1065551233 is about 32642.7822496796. The cubic root of 1065551233 is about 1021.3896325822.

The spelling of 1065551233 in words is "one billion, sixty-five million, five hundred fifty-one thousand, two hundred thirty-three".