64235305 has 8 divisors (see below), whose sum is σ = 77949000. Its totient is φ = 50810496.

The previous prime is 64235273. The next prime is 64235329. The reversal of 64235305 is 50353246.

64235305 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 2518569 + 61716736 = 1587^2 + 7856^2 .

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 64235305 - 2⁵ = 64235273 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 71730 + ... + 72619.

It is an arithmetic number, because the mean of its divisors is an integer number (9743625).

Almost surely, 2^64235305 is an apocalyptic number.

It is an amenable number.

64235305 is a deficient number, since it is larger than the sum of its proper divisors (13713695).

64235305 is a wasteful number, since it uses less digits than its factorization.

64235305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144443.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 64235305 is about 8014.6930696066. The cubic root of 64235305 is about 400.4896191881.

The spelling of 64235305 in words is "sixty-four million, two hundred thirty-five thousand, three hundred five".