64204271 has 2 divisors, whose sum is σ = 64204272. Its totient is φ = 64204270.

The previous prime is 64204267. The next prime is 64204277. The reversal of 64204271 is 17240246.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64204271 - 2² = 64204267 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64204271.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64204277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32102135 + 32102136.

It is an arithmetic number, because the mean of its divisors is an integer number (32102136).

Almost surely, 2^64204271 is an apocalyptic number.

64204271 is a deficient number, since it is larger than the sum of its proper divisors (1).

64204271 is an equidigital number, since it uses as much as digits as its factorization.

64204271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 64204271 is about 8012.7567665567. The cubic root of 64204271 is about 400.4251126214.

The spelling of 64204271 in words is "sixty-four million, two hundred four thousand, two hundred seventy-one".