5211789 has 8 divisors (see below), whose sum is σ = 7580832. Its totient is φ = 3158640.

The previous prime is 5211781. The next prime is 5211803. The reversal of 5211789 is 9871125.

5211789 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5211789 - 2³ = 5211781 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 157933 = 5211789 / (5 + 2 + 1 + 1 + 7 + 8 + 9).

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5211781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78934 + ... + 78999.

It is an arithmetic number, because the mean of its divisors is an integer number (947604).

Almost surely, 2^5211789 is an apocalyptic number.

It is an amenable number.

5211789 is a deficient number, since it is larger than the sum of its proper divisors (2369043).

5211789 is a wasteful number, since it uses less digits than its factorization.

5211789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157947.

The product of its digits is 5040, while the sum is 33.

The square root of 5211789 is about 2282.9342960322. The cubic root of 5211789 is about 173.3786465193.

The spelling of 5211789 in words is "five million, two hundred eleven thousand, seven hundred eighty-nine".