102305065 has 16 divisors (see below), whose sum is σ = 130228992. Its totient is φ = 76886784.

The previous prime is 102305051. The next prime is 102305083. The reversal of 102305065 is 560503201.

It is a happy number.

It is not a de Polignac number, because 102305065 - 2⁵ = 102305033 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76432 + ... + 77758.

It is an arithmetic number, because the mean of its divisors is an integer number (8139312).

Almost surely, 2^102305065 is an apocalyptic number.

It is an amenable number.

102305065 is a deficient number, since it is larger than the sum of its proper divisors (27923927).

102305065 is a wasteful number, since it uses less digits than its factorization.

102305065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2256.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 102305065 is about 10114.5966306126. The cubic root of 102305065 is about 467.6982144405.

Adding to 102305065 its reverse (560503201), we get a palindrome (662808266).

The spelling of 102305065 in words is "one hundred two million, three hundred five thousand, sixty-five".