64353321 has 12 divisors (see below), whose sum is σ = 94132480. Its totient is φ = 42358680.

The previous prime is 64353271. The next prime is 64353337. The reversal of 64353321 is 12335346.

It is a happy number.

It is not a de Polignac number, because 64353321 - 2¹³ = 64345129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64353371) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44545 + ... + 45966.

Almost surely, 2^64353321 is an apocalyptic number.

It is an amenable number.

64353321 is a deficient number, since it is larger than the sum of its proper divisors (29779159).

64353321 is a wasteful number, since it uses less digits than its factorization.

64353321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90596 (or 90593 counting only the distinct ones).

The product of its digits is 6480, while the sum is 27.

The square root of 64353321 is about 8022.0521688655. The cubic root of 64353321 is about 400.7347350015.

Adding to 64353321 its reverse (12335346), we get a palindrome (76688667).

The spelling of 64353321 in words is "sixty-four million, three hundred fifty-three thousand, three hundred twenty-one".