64050321 has 8 divisors (see below), whose sum is σ = 86156640. Its totient is φ = 42322112.

The previous prime is 64050319. The next prime is 64050359. The reversal of 64050321 is 12305046.

It is a happy number.

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 64050321 - 2¹ = 64050319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64050221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94131 + ... + 94808.

It is an arithmetic number, because the mean of its divisors is an integer number (10769580).

Almost surely, 2^64050321 is an apocalyptic number.

It is an amenable number.

64050321 is a deficient number, since it is larger than the sum of its proper divisors (22106319).

64050321 is a wasteful number, since it uses less digits than its factorization.

64050321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189055.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 64050321 is about 8003.1444445293. The cubic root of 64050321 is about 400.1048079525.

Adding to 64050321 its reverse (12305046), we get a palindrome (76355367).

The spelling of 64050321 in words is "sixty-four million, fifty thousand, three hundred twenty-one".