8548521 has 4 divisors (see below), whose sum is σ = 11398032. Its totient is φ = 5699012.

The previous prime is 8548489. The next prime is 8548523. The reversal of 8548521 is 1258458.

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.

It is a cyclic number.

It is not a de Polignac number, because 8548521 - 2⁵ = 8548489 is a prime.

It is a super-2 number, since 2×8548521² = 146154422574882, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8548523) 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, 1424751 + ... + 1424756.

It is an arithmetic number, because the mean of its divisors is an integer number (2849508).

Almost surely, 2^8548521 is an apocalyptic number.

It is an amenable number.

8548521 is a deficient number, since it is larger than the sum of its proper divisors (2849511).

8548521 is a wasteful number, since it uses less digits than its factorization.

8548521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2849510.

The product of its digits is 12800, while the sum is 33.

The square root of 8548521 is about 2923.7853888410. The cubic root of 8548521 is about 204.4703439958.

The spelling of 8548521 in words is "eight million, five hundred forty-eight thousand, five hundred twenty-one".