8359521 has 16 divisors (see below), whose sum is σ = 11556864. Its totient is φ = 5370624.

The previous prime is 8359517. The next prime is 8359541. The reversal of 8359521 is 1259538.

It is not a de Polignac number, because 8359521 - 2² = 8359517 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8359541) 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, 13801 + ... + 14393.

It is an arithmetic number, because the mean of its divisors is an integer number (722304).

Almost surely, 2^8359521 is an apocalyptic number.

It is an amenable number.

8359521 is a deficient number, since it is larger than the sum of its proper divisors (3197343).

8359521 is a wasteful number, since it uses less digits than its factorization.

8359521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760.

The product of its digits is 10800, while the sum is 33.

The square root of 8359521 is about 2891.2836249666. The cubic root of 8359521 is about 202.9522160173.

The spelling of 8359521 in words is "eight million, three hundred fifty-nine thousand, five hundred twenty-one".