6516379 has 2 divisors, whose sum is σ = 6516380. Its totient is φ = 6516378.

The previous prime is 6516359. The next prime is 6516401. The reversal of 6516379 is 9736156.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6516379 - 2⁹ = 6515867 is a prime.

It is not a weakly prime, because it can be changed into another prime (6516319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3258189 + 3258190.

It is an arithmetic number, because the mean of its divisors is an integer number (3258190).

Almost surely, 2^6516379 is an apocalyptic number.

6516379 is a deficient number, since it is larger than the sum of its proper divisors (1).

6516379 is an equidigital number, since it uses as much as digits as its factorization.

6516379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34020, while the sum is 37.

The square root of 6516379 is about 2552.7199219656. The cubic root of 6516379 is about 186.7821822560.

The spelling of 6516379 in words is "six million, five hundred sixteen thousand, three hundred seventy-nine".