63571361 has 16 divisors (see below), whose sum is σ = 74753280. Its totient is φ = 52926720.

The previous prime is 63571351. The next prime is 63571369. The reversal of 63571361 is 16317536.

It is not a de Polignac number, because 63571361 - 2¹⁸ = 63309217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63571369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102725 + ... + 103341.

It is an arithmetic number, because the mean of its divisors is an integer number (4672080).

Almost surely, 2^63571361 is an apocalyptic number.

It is an amenable number.

63571361 is a deficient number, since it is larger than the sum of its proper divisors (11181919).

63571361 is a wasteful number, since it uses less digits than its factorization.

63571361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024.

The product of its digits is 11340, while the sum is 32.

The square root of 63571361 is about 7973.1650553591. The cubic root of 63571361 is about 399.1050010190.

Adding to 63571361 its reverse (16317536), we get a palindrome (79888897).

The spelling of 63571361 in words is "sixty-three million, five hundred seventy-one thousand, three hundred sixty-one".