63288271 has 4 divisors (see below), whose sum is σ = 63306432. Its totient is φ = 63270112.

The previous prime is 63288257. The next prime is 63288283. The reversal of 63288271 is 17288236.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 63288271 - 2¹³ = 63280079 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63288271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63288371) 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 in 3 ways as a sum of consecutive naturals, for example, 2026 + ... + 11431.

It is an arithmetic number, because the mean of its divisors is an integer number (15826608).

Almost surely, 2^63288271 is an apocalyptic number.

63288271 is a deficient number, since it is larger than the sum of its proper divisors (18161).

63288271 is a wasteful number, since it uses less digits than its factorization.

63288271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18160.

The product of its digits is 32256, while the sum is 37.

The square root of 63288271 is about 7955.3925735943. The cubic root of 63288271 is about 398.5117005297.

The spelling of 63288271 in words is "sixty-three million, two hundred eighty-eight thousand, two hundred seventy-one".