64539233 has 8 divisors (see below), whose sum is σ = 70574976. Its totient is φ = 58531600.

The previous prime is 64539217. The next prime is 64539253. The reversal of 64539233 is 33293546.

64539233 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 64539233 - 2⁴ = 64539217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64539193 and 64539202.

It is not an unprimeable number, because it can be changed into a prime (64539253) 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, 2066 + ... + 11547.

It is an arithmetic number, because the mean of its divisors is an integer number (8821872).

Almost surely, 2^64539233 is an apocalyptic number.

It is an amenable number.

64539233 is a deficient number, since it is larger than the sum of its proper divisors (6035743).

64539233 is a wasteful number, since it uses less digits than its factorization.

64539233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14055.

The product of its digits is 58320, while the sum is 35.

The square root of 64539233 is about 8033.6313706816. The cubic root of 64539233 is about 401.1202616887.

The spelling of 64539233 in words is "sixty-four million, five hundred thirty-nine thousand, two hundred thirty-three".