6861011 has 2 divisors, whose sum is σ = 6861012. Its totient is φ = 6861010.

The previous prime is 6860999. The next prime is 6861017. The reversal of 6861011 is 1101686.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6861011 is a prime.

It is not a weakly prime, because it can be changed into another prime (6861017) 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, 3430505 + 3430506.

It is an arithmetic number, because the mean of its divisors is an integer number (3430506).

Almost surely, 2^6861011 is an apocalyptic number.

6861011 is a deficient number, since it is larger than the sum of its proper divisors (1).

6861011 is an equidigital number, since it uses as much as digits as its factorization.

6861011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 6861011 is about 2619.3531644282. The cubic root of 6861011 is about 190.0185669760.

Adding to 6861011 its reverse (1101686), we get a palindrome (7962697).

The spelling of 6861011 in words is "six million, eight hundred sixty-one thousand, eleven".