65506065 has 16 divisors (see below), whose sum is σ = 105507456. Its totient is φ = 34704000.

The previous prime is 65506061. The next prime is 65506081. The reversal of 65506065 is 56060556.

It is not a de Polignac number, because 65506065 - 2² = 65506061 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65506061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12196 + ... + 16725.

It is an arithmetic number, because the mean of its divisors is an integer number (6594216).

Almost surely, 2^65506065 is an apocalyptic number.

It is an amenable number.

65506065 is a deficient number, since it is larger than the sum of its proper divisors (40001391).

65506065 is a wasteful number, since it uses less digits than its factorization.

65506065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29080.

The product of its (nonzero) digits is 27000, while the sum is 33.

The square root of 65506065 is about 8093.5817163973. The cubic root of 65506065 is about 403.1133403274.

The spelling of 65506065 in words is "sixty-five million, five hundred six thousand, sixty-five".