5271839 has 2 divisors, whose sum is σ = 5271840. Its totient is φ = 5271838.

The previous prime is 5271817. The next prime is 5271869. The reversal of 5271839 is 9381725.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5271839 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 5271799 and 5271808.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5271869) 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, 2635919 + 2635920.

It is an arithmetic number, because the mean of its divisors is an integer number (2635920).

Almost surely, 2^5271839 is an apocalyptic number.

5271839 is a deficient number, since it is larger than the sum of its proper divisors (1).

5271839 is an equidigital number, since it uses as much as digits as its factorization.

5271839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 35.

The square root of 5271839 is about 2296.0485622042. The cubic root of 5271839 is about 174.0419923312.

The spelling of 5271839 in words is "five million, two hundred seventy-one thousand, eight hundred thirty-nine".