64288033 has 4 divisors (see below), whose sum is σ = 68069700. Its totient is φ = 60506368.

The previous prime is 64288031. The next prime is 64288043. The reversal of 64288033 is 33088246.

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

It can be written as a sum of positive squares in 2 ways, for example, as 59166864 + 5121169 = 7692^2 + 2263^2 .

It is a cyclic number.

It is not a de Polignac number, because 64288033 - 2¹ = 64288031 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64288033.

It is not an unprimeable number, because it can be changed into a prime (64288031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1890808 + ... + 1890841.

It is an arithmetic number, because the mean of its divisors is an integer number (17017425).

Almost surely, 2^64288033 is an apocalyptic number.

It is an amenable number.

64288033 is a deficient number, since it is larger than the sum of its proper divisors (3781667).

64288033 is a wasteful number, since it uses less digits than its factorization.

64288033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3781666.

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 64288033 is about 8017.9818533095. The cubic root of 64288033 is about 400.5991707878.

The spelling of 64288033 in words is "sixty-four million, two hundred eighty-eight thousand, thirty-three".