64853065 has 8 divisors (see below), whose sum is σ = 79099848. Its totient is φ = 51031680.

The previous prime is 64853051. The next prime is 64853071. The reversal of 64853065 is 56035846.

It can be written as a sum of positive squares in 4 ways, for example, as 1108809 + 63744256 = 1053^2 + 7984^2 .

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

It is not a de Polignac number, because 64853065 - 2⁹ = 64852553 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106012 + ... + 106621.

It is an arithmetic number, because the mean of its divisors is an integer number (9887481).

Almost surely, 2^64853065 is an apocalyptic number.

It is an amenable number.

64853065 is a deficient number, since it is larger than the sum of its proper divisors (14246783).

64853065 is a wasteful number, since it uses less digits than its factorization.

64853065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212699.

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 64853065 is about 8053.1400708047. The cubic root of 64853065 is about 401.7693804417.

The spelling of 64853065 in words is "sixty-four million, eight hundred fifty-three thousand, sixty-five".