64014521 has 2 divisors, whose sum is σ = 64014522. Its totient is φ = 64014520.

The previous prime is 64014493. The next prime is 64014527. The reversal of 64014521 is 12541046.

64014521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41783296 + 22231225 = 6464^2 + 4715^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64014521 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (64014527) 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 as a sum of consecutive naturals, namely, 32007260 + 32007261.

It is an arithmetic number, because the mean of its divisors is an integer number (32007261).

Almost surely, 2^64014521 is an apocalyptic number.

It is an amenable number.

64014521 is a deficient number, since it is larger than the sum of its proper divisors (1).

64014521 is an equidigital number, since it uses as much as digits as its factorization.

64014521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 64014521 is about 8000.9075110265. The cubic root of 64014521 is about 400.0302497957.

Adding to 64014521 its reverse (12541046), we get a palindrome (76555567).

The spelling of 64014521 in words is "sixty-four million, fourteen thousand, five hundred twenty-one".