6135979 has 2 divisors, whose sum is σ = 6135980. Its totient is φ = 6135978.

The previous prime is 6135977. The next prime is 6136003. The reversal of 6135979 is 9795316.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6135979 - 2¹ = 6135977 is a prime.

Together with 6135977, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (6135973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3067989 + 3067990.

It is an arithmetic number, because the mean of its divisors is an integer number (3067990).

Almost surely, 2^6135979 is an apocalyptic number.

6135979 is a deficient number, since it is larger than the sum of its proper divisors (1).

6135979 is an equidigital number, since it uses as much as digits as its factorization.

6135979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51030, while the sum is 40.

The square root of 6135979 is about 2477.0908340228. The cubic root of 6135979 is about 183.0745413829.

The spelling of 6135979 in words is "six million, one hundred thirty-five thousand, nine hundred seventy-nine".