64332825 has 48 divisors (see below), whose sum is σ = 110826240. Its totient is φ = 32901120.

The previous prime is 64332823. The next prime is 64332869. The reversal of 64332825 is 52823346.

It is a happy number.

64332825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 64332825 - 2¹ = 64332823 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64332823) 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 47 ways as a sum of consecutive naturals, for example, 269056 + ... + 269294.

It is an arithmetic number, because the mean of its divisors is an integer number (2308880).

Almost surely, 2^64332825 is an apocalyptic number.

It is an amenable number.

64332825 is a deficient number, since it is larger than the sum of its proper divisors (46493415).

64332825 is a wasteful number, since it uses less digits than its factorization.

64332825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386 (or 381 counting only the distinct ones).

The product of its digits is 34560, while the sum is 33.

The square root of 64332825 is about 8020.7745885295. The cubic root of 64332825 is about 400.6921869189.

The spelling of 64332825 in words is "sixty-four million, three hundred thirty-two thousand, eight hundred twenty-five".