104293521 has 16 divisors (see below), whose sum is σ = 163598400. Its totient is φ = 65438784.

The previous prime is 104293513. The next prime is 104293531. The reversal of 104293521 is 125392401.

104293521 is a `hidden beast` number, since 10 + 42 + 93 + 521 = 666.

It is not a de Polignac number, because 104293521 - 2³ = 104293513 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (104293531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113151 + ... + 114068.

It is an arithmetic number, because the mean of its divisors is an integer number (10224900).

Almost surely, 2^104293521 is an apocalyptic number.

It is an amenable number.

104293521 is a deficient number, since it is larger than the sum of its proper divisors (59304879).

104293521 is a wasteful number, since it uses less digits than its factorization.

104293521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227245 (or 227239 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 104293521 is about 10212.4199384867. The cubic root of 104293521 is about 470.7089361568.

The spelling of 104293521 in words is "one hundred four million, two hundred ninety-three thousand, five hundred twenty-one".