65426065 has 8 divisors (see below), whose sum is σ = 78724008. Its totient is φ = 52199040.

The previous prime is 65426057. The next prime is 65426069. The reversal of 65426065 is 56062456.

65426065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 17774656 + 47651409 = 4216^2 + 6903^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 65426065 - 2³ = 65426057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 65426065.

It is not an unprimeable number, because it can be changed into a prime (65426069) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 15676 + ... + 19405.

It is an arithmetic number, because the mean of its divisors is an integer number (9840501).

Almost surely, 2^65426065 is an apocalyptic number.

It is an amenable number.

65426065 is a deficient number, since it is larger than the sum of its proper divisors (13297943).

65426065 is a wasteful number, since it uses less digits than its factorization.

65426065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35459.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 65426065 is about 8088.6380188509. The cubic root of 65426065 is about 402.9491712828.

The spelling of 65426065 in words is "sixty-five million, four hundred twenty-six thousand, sixty-five".