5391979 has 2 divisors, whose sum is σ = 5391980. Its totient is φ = 5391978.

The previous prime is 5391977. The next prime is 5391983. The reversal of 5391979 is 9791935.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5391979 - 2¹ = 5391977 is a prime.

Together with 5391977, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (5391977) 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, 2695989 + 2695990.

It is an arithmetic number, because the mean of its divisors is an integer number (2695990).

Almost surely, 2^5391979 is an apocalyptic number.

5391979 is a deficient number, since it is larger than the sum of its proper divisors (1).

5391979 is an equidigital number, since it uses as much as digits as its factorization.

5391979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 76545, while the sum is 43.

The square root of 5391979 is about 2322.0635219563. The cubic root of 5391979 is about 175.3541562621.

The spelling of 5391979 in words is "five million, three hundred ninety-one thousand, nine hundred seventy-nine".