104524421 has 4 divisors (see below), whose sum is σ = 104548032. Its totient is φ = 104500812.

The previous prime is 104524411. The next prime is 104524447. The reversal of 104524421 is 124425401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 124425401 = 5021 ⋅24781.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104524421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104524411) 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, 2951 + ... + 14756.

It is an arithmetic number, because the mean of its divisors is an integer number (26137008).

It is a Poulet number, since it divides 2^104524420-1.

Almost surely, 2^104524421 is an apocalyptic number.

104524421 is the 5903-rd octagonal number.

It is an amenable number.

104524421 is a deficient number, since it is larger than the sum of its proper divisors (23611).

104524421 is an equidigital number, since it uses as much as digits as its factorization.

104524421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23610.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 104524421 is about 10223.7185505079. The cubic root of 104524421 is about 471.0560545015.

Adding to 104524421 its reverse (124425401), we get a palindrome (228949822).

The spelling of 104524421 in words is "one hundred four million, five hundred twenty-four thousand, four hundred twenty-one".