63189 has 24 divisors (see below), whose sum is σ = 112320. Its totient is φ = 33408.

The previous prime is 63179. The next prime is 63197. The reversal of 63189 is 98136.

It is not a de Polignac number, because 63189 - 2¹¹ = 61141 is a prime.

It is an Ulam number.

63189 is a modest number, since divided by 189 gives 63 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63149) 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 23 ways as a sum of consecutive naturals, for example, 1042 + ... + 1100.

It is an arithmetic number, because the mean of its divisors is an integer number (4680).

2⁶³¹⁸⁹ is an apocalyptic number.

It is an amenable number.

63189 is a deficient number, since it is larger than the sum of its proper divisors (49131).

63189 is a wasteful number, since it uses less digits than its factorization.

63189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89 (or 86 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 63189 is about 251.3742230222. The cubic root of 63189 is about 39.8303229267.

It can be divided in two parts, 63 and 189, that added together give a palindrome (252).

The spelling of 63189 in words is "sixty-three thousand, one hundred eighty-nine".