5044021 has 2 divisors, whose sum is σ = 5044022. Its totient is φ = 5044020.

The previous prime is 5044009. The next prime is 5044027. The reversal of 5044021 is 1204405.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3663396 + 1380625 = 1914^2 + 1175^2 .

It is a cyclic number.

It is not a de Polignac number, because 5044021 - 2¹⁹ = 4519733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5043986 and 5044004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5044027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2522010 + 2522011.

It is an arithmetic number, because the mean of its divisors is an integer number (2522011).

Almost surely, 2^5044021 is an apocalyptic number.

It is an amenable number.

5044021 is a deficient number, since it is larger than the sum of its proper divisors (1).

5044021 is an equidigital number, since it uses as much as digits as its factorization.

5044021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 5044021 is about 2245.8898013928. The cubic root of 5044021 is about 171.4979614261.

Adding to 5044021 its reverse (1204405), we get a palindrome (6248426).

It can be divided in two parts, 50440 and 21, that multiplied together give a triangular number (1059240 = T₁₄₅₅).

The spelling of 5044021 in words is "five million, forty-four thousand, twenty-one".