65895605 has 4 divisors (see below), whose sum is σ = 79074732. Its totient is φ = 52716480.

The previous prime is 65895563. The next prime is 65895607. The reversal of 65895605 is 50659856.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 41075281 + 24820324 = 6409^2 + 4982^2 .

It is a de Polignac number, because none of the positive numbers 2^k-65895605 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65895607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6589556 + ... + 6589565.

It is an arithmetic number, because the mean of its divisors is an integer number (19768683).

Almost surely, 2^65895605 is an apocalyptic number.

It is an amenable number.

65895605 is a deficient number, since it is larger than the sum of its proper divisors (13179127).

65895605 is a wasteful number, since it uses less digits than its factorization.

65895605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13179126.

The product of its (nonzero) digits is 324000, while the sum is 44.

The square root of 65895605 is about 8117.6107938235. The cubic root of 65895605 is about 403.9108162614.

The spelling of 65895605 in words is "sixty-five million, eight hundred ninety-five thousand, six hundred five".