63145653 has 16 divisors (see below), whose sum is σ = 85564416. Its totient is φ = 41416560.

The previous prime is 63145639. The next prime is 63145661. The reversal of 63145653 is 35654136.

It is not a de Polignac number, because 63145653 - 2⁴ = 63145637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63145153) 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, 91038 + ... + 91728.

It is an arithmetic number, because the mean of its divisors is an integer number (5347776).

Almost surely, 2^63145653 is an apocalyptic number.

It is an amenable number.

63145653 is a deficient number, since it is larger than the sum of its proper divisors (22418763).

63145653 is a wasteful number, since it uses less digits than its factorization.

63145653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144.

The product of its digits is 32400, while the sum is 33.

The square root of 63145653 is about 7946.4239126792. The cubic root of 63145653 is about 398.2121311350.

Adding to 63145653 its reverse (35654136), we get a palindrome (98799789).

The spelling of 63145653 in words is "sixty-three million, one hundred forty-five thousand, six hundred fifty-three".