63109 has 4 divisors (see below), whose sum is σ = 63616. Its totient is φ = 62604.

The previous prime is 63103. The next prime is 63113. The reversal of 63109 is 90136.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, 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 63109 - 2⁷ = 62981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82 + ... + 364.

It is an arithmetic number, because the mean of its divisors is an integer number (15904).

2⁶³¹⁰⁹ is an apocalyptic number.

It is an amenable number.

63109 is a deficient number, since it is larger than the sum of its proper divisors (507).

63109 is a wasteful number, since it uses less digits than its factorization.

63109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 63109 is about 251.2150473200. The cubic root of 63109 is about 39.8135068590.

The spelling of 63109 in words is "sixty-three thousand, one hundred nine".