65342565 has 16 divisors (see below), whose sum is σ = 116164800. Its totient is φ = 34849296.

The previous prime is 65342551. The next prime is 65342581. The reversal of 65342565 is 56524356.

It is a happy number.

65342565 is a `hidden beast` number, since 6 + 53 + 42 + 565 = 666.

65342565 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 65342565 - 2⁵ = 65342533 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 241875 + ... + 242144.

It is an arithmetic number, because the mean of its divisors is an integer number (7260300).

Almost surely, 2^65342565 is an apocalyptic number.

It is an amenable number.

65342565 is a deficient number, since it is larger than the sum of its proper divisors (50822235).

65342565 is a wasteful number, since it uses less digits than its factorization.

65342565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484033 (or 484027 counting only the distinct ones).

The product of its digits is 108000, while the sum is 36.

The square root of 65342565 is about 8083.4748097585. The cubic root of 65342565 is about 402.7776770441. Note that the first 3 decimals are identical.

The spelling of 65342565 in words is "sixty-five million, three hundred forty-two thousand, five hundred sixty-five".