64065653 has 4 divisors (see below), whose sum is σ = 65428800. Its totient is φ = 62702508.

The previous prime is 64065647. The next prime is 64065697. The reversal of 64065653 is 35656046.

64065653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 64065653 - 2⁴ = 64065637 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 (64085653) 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 3 ways as a sum of consecutive naturals, for example, 681503 + ... + 681596.

It is an arithmetic number, because the mean of its divisors is an integer number (16357200).

Almost surely, 2^64065653 is an apocalyptic number.

It is an amenable number.

64065653 is a deficient number, since it is larger than the sum of its proper divisors (1363147).

64065653 is a wasteful number, since it uses less digits than its factorization.

64065653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1363146.

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 64065653 is about 8004.1022607161. The cubic root of 64065653 is about 400.1367303400.

The spelling of 64065653 in words is "sixty-four million, sixty-five thousand, six hundred fifty-three".