8058021 has 4 divisors (see below), whose sum is σ = 10744032. Its totient is φ = 5372012.

The previous prime is 8058019. The next prime is 8058041. The reversal of 8058021 is 1208508.

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 8058021 - 2¹ = 8058019 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8057982 and 8058000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8058041) 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, 1343001 + ... + 1343006.

It is an arithmetic number, because the mean of its divisors is an integer number (2686008).

Almost surely, 2^8058021 is an apocalyptic number.

It is an amenable number.

8058021 is a deficient number, since it is larger than the sum of its proper divisors (2686011).

8058021 is a wasteful number, since it uses less digits than its factorization.

8058021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2686010.

The product of its (nonzero) digits is 640, while the sum is 24.

The square root of 8058021 is about 2838.6653554091. The cubic root of 8058021 is about 200.4823441189.

It can be divided in two parts, 80580 and 21, that added together give a triangular number (80601 = T₄₀₁).

The spelling of 8058021 in words is "eight million, fifty-eight thousand, twenty-one".