5021789 has 2 divisors, whose sum is σ = 5021790. Its totient is φ = 5021788.

The previous prime is 5021777. The next prime is 5021791. The reversal of 5021789 is 9871205.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2696164 + 2325625 = 1642^2 + 1525^2 .

It is a cyclic number.

It is not a de Polignac number, because 5021789 - 2⁴ = 5021773 is a prime.

Together with 5021791, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5021729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2510894 + 2510895.

It is an arithmetic number, because the mean of its divisors is an integer number (2510895).

Almost surely, 2^5021789 is an apocalyptic number.

It is an amenable number.

5021789 is a deficient number, since it is larger than the sum of its proper divisors (1).

5021789 is an equidigital number, since it uses as much as digits as its factorization.

5021789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 5021789 is about 2240.9348495661. The cubic root of 5021789 is about 171.2456258318.

The spelling of 5021789 in words is "five million, twenty-one thousand, seven hundred eighty-nine".