63385271 has 4 divisors (see below), whose sum is σ = 65571000. Its totient is φ = 61199544.

The previous prime is 63385249. The next prime is 63385279. The reversal of 63385271 is 17258336.

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 63385271 - 2⁶ = 63385207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63385279) 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, 1092821 + ... + 1092878.

It is an arithmetic number, because the mean of its divisors is an integer number (16392750).

Almost surely, 2^63385271 is an apocalyptic number.

63385271 is a deficient number, since it is larger than the sum of its proper divisors (2185729).

63385271 is a wasteful number, since it uses less digits than its factorization.

63385271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2185728.

The product of its digits is 30240, while the sum is 35.

The square root of 63385271 is about 7961.4867330166. The cubic root of 63385271 is about 398.7151921739.

The spelling of 63385271 in words is "sixty-three million, three hundred eighty-five thousand, two hundred seventy-one".