5287979 has 2 divisors, whose sum is σ = 5287980. Its totient is φ = 5287978.

The previous prime is 5287973. The next prime is 5287981. The reversal of 5287979 is 9797825.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5287979 is a prime.

Together with 5287981, it forms a pair of twin primes.

It is a Chen prime.

It is a d-powerful number, because it can be written as 5⁴ + 2¹⁶ + 8⁶ + 7 + 9⁵ + 7⁶ + 9⁷ .

It is not a weakly prime, because it can be changed into another prime (5287973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2643989 + 2643990.

It is an arithmetic number, because the mean of its divisors is an integer number (2643990).

Almost surely, 2^5287979 is an apocalyptic number.

5287979 is a deficient number, since it is larger than the sum of its proper divisors (1).

5287979 is an equidigital number, since it uses as much as digits as its factorization.

5287979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 317520, while the sum is 47.

The square root of 5287979 is about 2299.5606102036. The cubic root of 5287979 is about 174.2194241503.

The spelling of 5287979 in words is "five million, two hundred eighty-seven thousand, nine hundred seventy-nine".