5278939 has 2 divisors, whose sum is σ = 5278940. Its totient is φ = 5278938.

The previous prime is 5278927. The next prime is 5278943. The reversal of 5278939 is 9398725.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5278939 - 2¹³ = 5270747 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5278895 and 5278904.

It is not a weakly prime, because it can be changed into another prime (5278969) 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, 2639469 + 2639470.

It is an arithmetic number, because the mean of its divisors is an integer number (2639470).

Almost surely, 2^5278939 is an apocalyptic number.

5278939 is a deficient number, since it is larger than the sum of its proper divisors (1).

5278939 is an equidigital number, since it uses as much as digits as its factorization.

5278939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 136080, while the sum is 43.

The square root of 5278939 is about 2297.5941765247. The cubic root of 5278939 is about 174.1200892927.

The spelling of 5278939 in words is "five million, two hundred seventy-eight thousand, nine hundred thirty-nine".