8153021 has 2 divisors, whose sum is σ = 8153022. Its totient is φ = 8153020.

The previous prime is 8153011. The next prime is 8153027. The reversal of 8153021 is 1203518.

8153021 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5827396 + 2325625 = 2414^2 + 1525^2 .

It is a cyclic number.

It is not a de Polignac number, because 8153021 - 2¹⁴ = 8136637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8152984 and 8153002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8153027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4076510 + 4076511.

It is an arithmetic number, because the mean of its divisors is an integer number (4076511).

Almost surely, 2^8153021 is an apocalyptic number.

It is an amenable number.

8153021 is a deficient number, since it is larger than the sum of its proper divisors (1).

8153021 is an equidigital number, since it uses as much as digits as its factorization.

8153021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 8153021 is about 2855.3495407743. The cubic root of 8153021 is about 201.2671299540.

Adding to 8153021 its reverse (1203518), we get a palindrome (9356539).

The spelling of 8153021 in words is "eight million, one hundred fifty-three thousand, twenty-one".