8521941 has 4 divisors (see below), whose sum is σ = 11362592. Its totient is φ = 5681292.

The previous prime is 8521939. The next prime is 8521949. The reversal of 8521941 is 1491258.

It is a happy number.

8521941 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 8521941 - 2¹ = 8521939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8521899 and 8521908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8521949) 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, 1420321 + ... + 1420326.

It is an arithmetic number, because the mean of its divisors is an integer number (2840648).

Almost surely, 2^8521941 is an apocalyptic number.

It is an amenable number.

8521941 is a deficient number, since it is larger than the sum of its proper divisors (2840651).

8521941 is a wasteful number, since it uses less digits than its factorization.

8521941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2840650.

The product of its digits is 2880, while the sum is 30.

The square root of 8521941 is about 2919.2363727523. The cubic root of 8521941 is about 204.2582034262.

The spelling of 8521941 in words is "eight million, five hundred twenty-one thousand, nine hundred forty-one".