104506581 has 32 divisors (see below), whose sum is σ = 147393792. Its totient is φ = 65802240.

The previous prime is 104506547. The next prime is 104506607. The reversal of 104506581 is 185605401.

It is not a de Polignac number, because 104506581 - 2¹⁹ = 103982293 is a prime.

It is a super-2 number, since 2×104506581² = 21843250944619122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104506511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 924781 + ... + 924893.

It is an arithmetic number, because the mean of its divisors is an integer number (4606056).

Almost surely, 2^104506581 is an apocalyptic number.

It is an amenable number.

104506581 is a deficient number, since it is larger than the sum of its proper divisors (42887211).

104506581 is a wasteful number, since it uses less digits than its factorization.

104506581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333.

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 104506581 is about 10222.8460322945. The cubic root of 104506581 is about 471.0292533703.

The spelling of 104506581 in words is "one hundred four million, five hundred six thousand, five hundred eighty-one".