64365271 has 2 divisors, whose sum is σ = 64365272. Its totient is φ = 64365270.

The previous prime is 64365233. The next prime is 64365299. The reversal of 64365271 is 17256346.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64365271 - 2¹⁹ = 63840983 is a prime.

It is a super-2 number, since 2×64365271² = 8285776221806882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64365221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32182635 + 32182636.

It is an arithmetic number, because the mean of its divisors is an integer number (32182636).

Almost surely, 2^64365271 is an apocalyptic number.

64365271 is a deficient number, since it is larger than the sum of its proper divisors (1).

64365271 is an equidigital number, since it uses as much as digits as its factorization.

64365271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 34.

The square root of 64365271 is about 8022.7969561743. The cubic root of 64365271 is about 400.7595380919.

The spelling of 64365271 in words is "sixty-four million, three hundred sixty-five thousand, two hundred seventy-one".