64505235 has 8 divisors (see below), whose sum is σ = 103208400. Its totient is φ = 34402784.

The previous prime is 64505227. The next prime is 64505239. The reversal of 64505235 is 53250546.

64505235 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 64505235 - 2³ = 64505227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64505239) 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, 2150160 + ... + 2150189.

It is an arithmetic number, because the mean of its divisors is an integer number (12901050).

Almost surely, 2^64505235 is an apocalyptic number.

64505235 is a deficient number, since it is larger than the sum of its proper divisors (38703165).

64505235 is a wasteful number, since it uses less digits than its factorization.

64505235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4300357.

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 64505235 is about 8031.5151123558. The cubic root of 64505235 is about 401.0498152262.

The spelling of 64505235 in words is "sixty-four million, five hundred five thousand, two hundred thirty-five".