6518879 has 2 divisors, whose sum is σ = 6518880. Its totient is φ = 6518878.

The previous prime is 6518873. The next prime is 6518891. The reversal of 6518879 is 9788156.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6518879 is a prime.

It is a plaindrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6518873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3259439 + 3259440.

It is an arithmetic number, because the mean of its divisors is an integer number (3259440).

Almost surely, 2^6518879 is an apocalyptic number.

6518879 is a deficient number, since it is larger than the sum of its proper divisors (1).

6518879 is an equidigital number, since it uses as much as digits as its factorization.

6518879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 44.

The square root of 6518879 is about 2553.2095487836. The cubic root of 6518879 is about 186.8060654460.

The spelling of 6518879 in words is "six million, five hundred eighteen thousand, eight hundred seventy-nine".