8875521 has 16 divisors (see below), whose sum is σ = 13208320. Its totient is φ = 5890320.

The previous prime is 8875511. The next prime is 8875541. The reversal of 8875521 is 1255788.

It is not a de Polignac number, because 8875521 - 2⁶ = 8875457 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8875511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6711 + ... + 7923.

It is an arithmetic number, because the mean of its divisors is an integer number (825520).

Almost surely, 2^8875521 is an apocalyptic number.

It is an amenable number.

8875521 is a deficient number, since it is larger than the sum of its proper divisors (4332799).

8875521 is a wasteful number, since it uses less digits than its factorization.

8875521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1493 (or 1487 counting only the distinct ones).

The product of its digits is 22400, while the sum is 36.

The square root of 8875521 is about 2979.1812633675. The cubic root of 8875521 is about 207.0449387835.

The spelling of 8875521 in words is "eight million, eight hundred seventy-five thousand, five hundred twenty-one".