63234561 has 24 divisors (see below), whose sum is σ = 91915776. Its totient is φ = 38650560.

The previous prime is 63234559. The next prime is 63234583. The reversal of 63234561 is 16543236.

It is not a de Polignac number, because 63234561 - 2¹ = 63234559 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (63234541) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 96511 + ... + 97163.

It is an arithmetic number, because the mean of its divisors is an integer number (3829824).

Almost surely, 2^63234561 is an apocalyptic number.

It is an amenable number.

63234561 is a deficient number, since it is larger than the sum of its proper divisors (28681215).

63234561 is a wasteful number, since it uses less digits than its factorization.

63234561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873 (or 860 counting only the distinct ones).

The product of its digits is 12960, while the sum is 30.

The square root of 63234561 is about 7952.0161594403. The cubic root of 63234561 is about 398.3989354478.

Adding to 63234561 its reverse (16543236), we get a palindrome (79777797).

The spelling of 63234561 in words is "sixty-three million, two hundred thirty-four thousand, five hundred sixty-one".