104547 has 4 divisors (see below), whose sum is σ = 139400. Its totient is φ = 69696.

The previous prime is 104543. The next prime is 104549. The reversal of 104547 is 745401.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 104547 - 2² = 104543 is a prime.

It is a D-number.

It is a Duffinian number.

104547 is a lucky number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104543) 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, 17422 + ... + 17427.

It is an arithmetic number, because the mean of its divisors is an integer number (34850).

2¹⁰⁴⁵⁴⁷ is an apocalyptic number.

104547 is a deficient number, since it is larger than the sum of its proper divisors (34853).

104547 is an equidigital number, since it uses as much as digits as its factorization.

104547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34852.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 104547 is about 323.3372851992. The cubic root of 104547 is about 47.1089970687.

Adding to 104547 its reverse (745401), we get a palindrome (849948).

The spelling of 104547 in words is "one hundred four thousand, five hundred forty-seven".