63135523 has 16 divisors (see below), whose sum is σ = 72783360. Its totient is φ = 54224800.

The previous prime is 63135521. The next prime is 63135533. The reversal of 63135523 is 32553136.

It is a cyclic number.

It is not a de Polignac number, because 63135523 - 2¹ = 63135521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63135491 and 63135500.

It is not an unprimeable number, because it can be changed into a prime (63135521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12888 + ... + 17098.

It is an arithmetic number, because the mean of its divisors is an integer number (4548960).

Almost surely, 2^63135523 is an apocalyptic number.

63135523 is a deficient number, since it is larger than the sum of its proper divisors (9647837).

63135523 is a wasteful number, since it uses less digits than its factorization.

63135523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4298.

The product of its digits is 8100, while the sum is 28.

The square root of 63135523 is about 7945.7864934819. The cubic root of 63135523 is about 398.1908358997.

Adding to 63135523 its reverse (32553136), we get a palindrome (95688659).

The spelling of 63135523 in words is "sixty-three million, one hundred thirty-five thousand, five hundred twenty-three".