64527227 has 2 divisors, whose sum is σ = 64527228. Its totient is φ = 64527226.

The previous prime is 64527191. The next prime is 64527269. The reversal of 64527227 is 72272546.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64527227 - 2⁶ = 64527163 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (64521227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32263613 + 32263614.

It is an arithmetic number, because the mean of its divisors is an integer number (32263614).

Almost surely, 2^64527227 is an apocalyptic number.

64527227 is a deficient number, since it is larger than the sum of its proper divisors (1).

64527227 is an equidigital number, since it uses as much as digits as its factorization.

64527227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47040, while the sum is 35.

The square root of 64527227 is about 8032.8841022387. The cubic root of 64527227 is about 401.0953871626.

It can be divided in two parts, 645 and 27227, that added together give a palindrome (27872).

The spelling of 64527227 in words is "sixty-four million, five hundred twenty-seven thousand, two hundred twenty-seven".