83285565 has 32 divisors (see below), whose sum is σ = 146022912. Its totient is φ = 40200000.

The previous prime is 83285563. The next prime is 83285581. The reversal of 83285565 is 56558238.

It is not a de Polignac number, because 83285565 - 2¹ = 83285563 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83285563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40410 + ... + 42420.

It is an arithmetic number, because the mean of its divisors is an integer number (4563216).

Almost surely, 2^83285565 is an apocalyptic number.

It is an amenable number.

83285565 is a deficient number, since it is larger than the sum of its proper divisors (62737347).

83285565 is a wasteful number, since it uses less digits than its factorization.

83285565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2281.

The product of its digits is 288000, while the sum is 42.

The square root of 83285565 is about 9126.0925373349. The cubic root of 83285565 is about 436.7067574506.

The spelling of 83285565 in words is "eighty-three million, two hundred eighty-five thousand, five hundred sixty-five".