104463561 has 16 divisors (see below), whose sum is σ = 140880384. Its totient is φ = 68849664.

The previous prime is 104463559. The next prime is 104463581. The reversal of 104463561 is 165364401.

It is not a de Polignac number, because 104463561 - 2¹ = 104463559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (104463581) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120616 + ... + 121478.

It is an arithmetic number, because the mean of its divisors is an integer number (8805024).

Almost surely, 2^104463561 is an apocalyptic number.

It is an amenable number.

104463561 is a deficient number, since it is larger than the sum of its proper divisors (36416823).

104463561 is a wasteful number, since it uses less digits than its factorization.

104463561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 104463561 is about 10220.7417049840. The cubic root of 104463561 is about 470.9646116370.

The spelling of 104463561 in words is "one hundred four million, four hundred sixty-three thousand, five hundred sixty-one".