64263271 has 2 divisors, whose sum is σ = 64263272. Its totient is φ = 64263270.

The previous prime is 64263259. The next prime is 64263289. The reversal of 64263271 is 17236246.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64263271 - 2¹⁵ = 64230503 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64263211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32131635 + 32131636.

It is an arithmetic number, because the mean of its divisors is an integer number (32131636).

Almost surely, 2^64263271 is an apocalyptic number.

64263271 is a deficient number, since it is larger than the sum of its proper divisors (1).

64263271 is an equidigital number, since it uses as much as digits as its factorization.

64263271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 31.

The square root of 64263271 is about 8016.4375504335. The cubic root of 64263271 is about 400.5477308849.

The spelling of 64263271 in words is "sixty-four million, two hundred sixty-three thousand, two hundred seventy-one".