104264521 has 3 divisors (see below), whose sum is σ = 104274733. Its totient is φ = 104254310.

The previous prime is 104264453. The next prime is 104264539. The reversal of 104264521 is 125462401.

It is a happy number.

The square root of 104264521 is 10211.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 104264521 - 2⁷ = 104264393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104264581) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 5106 + ... + 15316.

Almost surely, 2^104264521 is an apocalyptic number.

104264521 is the 10211-st square number.

104264521 is the 5106-th centered octagonal number.

It is an amenable number.

104264521 is a deficient number, since it is larger than the sum of its proper divisors (10212).

104264521 is an frugal number, since it uses more digits than its factorization.

104264521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20422 (or 10211 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The cubic root of 104264521 is about 470.6653034542.

Multiplying 104264521 by its sum of digits (25), we get a square (2606613025 = 51055²).

The spelling of 104264521 in words is "one hundred four million, two hundred sixty-four thousand, five hundred twenty-one".