64332133 has 4 divisors (see below), whose sum is σ = 64352160. Its totient is φ = 64312108.

The previous prime is 64332113. The next prime is 64332139. The reversal of 64332133 is 33123346.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 64332133 - 2⁵ = 64332101 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64332098 and 64332107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64332139) 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, 3985 + ... + 12022.

It is an arithmetic number, because the mean of its divisors is an integer number (16088040).

Almost surely, 2^64332133 is an apocalyptic number.

It is an amenable number.

64332133 is a deficient number, since it is larger than the sum of its proper divisors (20027).

64332133 is a wasteful number, since it uses less digits than its factorization.

64332133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20026.

The product of its digits is 3888, while the sum is 25.

The square root of 64332133 is about 8020.7314504352. The cubic root of 64332133 is about 400.6907502237.

Adding to 64332133 its reverse (33123346), we get a palindrome (97455479).

The spelling of 64332133 in words is "sixty-four million, three hundred thirty-two thousand, one hundred thirty-three".