6995851 has 2 divisors, whose sum is σ = 6995852. Its totient is φ = 6995850.

The previous prime is 6995839. The next prime is 6995861. The reversal of 6995851 is 1585996.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6995851 - 2¹⁵ = 6963083 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6995798 and 6995807.

It is not a weakly prime, because it can be changed into another prime (6995861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3497925 + 3497926.

It is an arithmetic number, because the mean of its divisors is an integer number (3497926).

Almost surely, 2^6995851 is an apocalyptic number.

6995851 is a deficient number, since it is larger than the sum of its proper divisors (1).

6995851 is an equidigital number, since it uses as much as digits as its factorization.

6995851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 97200, while the sum is 43.

The square root of 6995851 is about 2644.9671075460. The cubic root of 6995851 is about 191.2553167531.

The spelling of 6995851 in words is "six million, nine hundred ninety-five thousand, eight hundred fifty-one".