5405789 has 2 divisors, whose sum is σ = 5405790. Its totient is φ = 5405788.

The previous prime is 5405783. The next prime is 5405791. The reversal of 5405789 is 9875045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3003289 + 2402500 = 1733^2 + 1550^2 .

It is a cyclic number.

It is not a de Polignac number, because 5405789 - 2⁴ = 5405773 is a prime.

Together with 5405791, 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 (5405783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2702894 + 2702895.

It is an arithmetic number, because the mean of its divisors is an integer number (2702895).

Almost surely, 2^5405789 is an apocalyptic number.

It is an amenable number.

5405789 is a deficient number, since it is larger than the sum of its proper divisors (1).

5405789 is an equidigital number, since it uses as much as digits as its factorization.

5405789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 5405789 is about 2325.0352685497. The cubic root of 5405789 is about 175.5037350092.

The spelling of 5405789 in words is "five million, four hundred five thousand, seven hundred eighty-nine".