63144513 has 24 divisors (see below), whose sum is σ = 95233320. Its totient is φ = 40266240.

The previous prime is 63144479. The next prime is 63144541. The reversal of 63144513 is 31544136.

63144513 is a `hidden beast` number, since 6 + 3 + 144 + 513 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 7969329 + 55175184 = 2823^2 + 7428^2 .

It is not a de Polignac number, because 63144513 - 2¹⁰ = 63143489 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (63144563) 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, 28423 + ... + 30563.

It is an arithmetic number, because the mean of its divisors is an integer number (3968055).

Almost surely, 2^63144513 is an apocalyptic number.

It is an amenable number.

63144513 is a deficient number, since it is larger than the sum of its proper divisors (32088807).

63144513 is a wasteful number, since it uses less digits than its factorization.

63144513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2289 (or 2286 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 63144513 is about 7946.3521819763. The cubic root of 63144513 is about 398.2097347464.

Adding to 63144513 its reverse (31544136), we get a palindrome (94688649).

The spelling of 63144513 in words is "sixty-three million, one hundred forty-four thousand, five hundred thirteen".