64523335 has 12 divisors (see below), whose sum is σ = 81719928. Its totient is φ = 48900528.

The previous prime is 64523311. The next prime is 64523341. The reversal of 64523335 is 53332546.

It is a happy number.

64523335 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-64523335 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64523297 and 64523306.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 16069 + ... + 19678.

It is an arithmetic number, because the mean of its divisors is an integer number (6809994).

Almost surely, 2^64523335 is an apocalyptic number.

64523335 is a deficient number, since it is larger than the sum of its proper divisors (17196593).

64523335 is a wasteful number, since it uses less digits than its factorization.

64523335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35790 (or 35771 counting only the distinct ones).

The product of its digits is 32400, while the sum is 31.

The square root of 64523335 is about 8032.6418443747. The cubic root of 64523335 is about 401.0873228942.

The spelling of 64523335 in words is "sixty-four million, five hundred twenty-three thousand, three hundred thirty-five".