104511289 has 4 divisors (see below), whose sum is σ = 105177124. Its totient is φ = 103845456.

The previous prime is 104511263. The next prime is 104511293. The reversal of 104511289 is 982115401.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 982115401 = 787 ⋅1247923.

It can be written as a sum of positive squares in 2 ways, for example, as 25603600 + 78907689 = 5060^2 + 8883^2 .

It is a cyclic number.

It is not a de Polignac number, because 104511289 - 2⁷ = 104511161 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 104511289.

It is not an unprimeable number, because it can be changed into a prime (104511299) 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, 332682 + ... + 332995.

It is an arithmetic number, because the mean of its divisors is an integer number (26294281).

Almost surely, 2^104511289 is an apocalyptic number.

It is an amenable number.

104511289 is a deficient number, since it is larger than the sum of its proper divisors (665835).

104511289 is an equidigital number, since it uses as much as digits as its factorization.

104511289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665834.

The product of its (nonzero) digits is 2880, while the sum is 31.

The square root of 104511289 is about 10223.0762982578. The cubic root of 104511289 is about 471.0363265211.

The spelling of 104511289 in words is "one hundred four million, five hundred eleven thousand, two hundred eighty-nine".