8526021 has 16 divisors (see below), whose sum is σ = 13344384. Its totient is φ = 4739904.

The previous prime is 8526017. The next prime is 8526053. The reversal of 8526021 is 1206258.

It is not a de Polignac number, because 8526021 - 2² = 8526017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8525982 and 8526000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8526071) 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, 4710 + ... + 6263.

It is an arithmetic number, because the mean of its divisors is an integer number (834024).

Almost surely, 2^8526021 is an apocalyptic number.

It is an amenable number.

8526021 is a deficient number, since it is larger than the sum of its proper divisors (4818363).

8526021 is a wasteful number, since it uses less digits than its factorization.

8526021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11020.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 8526021 is about 2919.9351020185. The cubic root of 8526021 is about 204.2907953951.

It can be divided in two parts, 85 and 26021, that added together give a triangular number (26106 = T₂₂₈).

The spelling of 8526021 in words is "eight million, five hundred twenty-six thousand, twenty-one".