63545 has 8 divisors (see below), whose sum is σ = 77760. Its totient is φ = 49840.

The previous prime is 63541. The next prime is 63559. The reversal of 63545 is 54536.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 63545 - 2² = 63541 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63545.

It is not an unprimeable number, because it can be changed into a prime (63541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266 + ... + 444.

It is an arithmetic number, because the mean of its divisors is an integer number (9720).

2⁶³⁵⁴⁵ is an apocalyptic number.

It is an amenable number.

63545 is a deficient number, since it is larger than the sum of its proper divisors (14215).

63545 is a wasteful number, since it uses less digits than its factorization.

63545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255.

The product of its digits is 1800, while the sum is 23.

The square root of 63545 is about 252.0813360802. The cubic root of 63545 is about 39.9049828054.

Subtracting from 63545 its reverse (54536), we obtain a palindrome (9009).

The spelling of 63545 in words is "sixty-three thousand, five hundred forty-five".