64533335 has 4 divisors (see below), whose sum is σ = 77440008. Its totient is φ = 51626664.

The previous prime is 64533319. The next prime is 64533347. The reversal of 64533335 is 53333546.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 64533335 - 2⁴ = 64533319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6453329 + ... + 6453338.

It is an arithmetic number, because the mean of its divisors is an integer number (19360002).

Almost surely, 2^64533335 is an apocalyptic number.

64533335 is a deficient number, since it is larger than the sum of its proper divisors (12906673).

64533335 is a wasteful number, since it uses less digits than its factorization.

64533335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12906672.

The product of its digits is 48600, while the sum is 32.

The square root of 64533335 is about 8033.2642804778. The cubic root of 64533335 is about 401.1080423545.

The spelling of 64533335 in words is "sixty-four million, five hundred thirty-three thousand, three hundred thirty-five".