63187 has 4 divisors (see below), whose sum is σ = 63720. Its totient is φ = 62656.

The previous prime is 63179. The next prime is 63197. The reversal of 63187 is 78136.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 63187 - 2³ = 63179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63127) 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 3 ways as a sum of consecutive naturals, for example, 3 + ... + 355.

It is an arithmetic number, because the mean of its divisors is an integer number (15930).

2⁶³¹⁸⁷ is an apocalyptic number.

63187 is a deficient number, since it is larger than the sum of its proper divisors (533).

63187 is a wasteful number, since it uses less digits than its factorization.

63187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532.

The product of its digits is 1008, while the sum is 25.

The square root of 63187 is about 251.3702448581. The cubic root of 63187 is about 39.8299026980.

It can be divided in two parts, 63 and 187, that multiplied together give a triangular number (11781 = T₁₅₃).

The spelling of 63187 in words is "sixty-three thousand, one hundred eighty-seven".