5008021 has 2 divisors, whose sum is σ = 5008022. Its totient is φ = 5008020.

The previous prime is 5008009. The next prime is 5008057. The reversal of 5008021 is 1208005.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4223025 + 784996 = 2055^2 + 886^2 .

It is a cyclic number.

It is not a de Polignac number, because 5008021 - 2¹⁵ = 4975253 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5007986 and 5008004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5008121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2504010 + 2504011.

It is an arithmetic number, because the mean of its divisors is an integer number (2504011).

Almost surely, 2^5008021 is an apocalyptic number.

It is an amenable number.

5008021 is a deficient number, since it is larger than the sum of its proper divisors (1).

5008021 is an equidigital number, since it uses as much as digits as its factorization.

5008021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 5008021 is about 2237.8608088976. The cubic root of 5008021 is about 171.0889839300.

Subtracting from 5008021 its sum of digits (16), we obtain a palindrome (5008005).

The spelling of 5008021 in words is "five million, eight thousand, twenty-one".