6915901 has 2 divisors, whose sum is σ = 6915902. Its totient is φ = 6915900.

The previous prime is 6915871. The next prime is 6915907. The reversal of 6915901 is 1095196.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3511876 + 3404025 = 1874^2 + 1845^2 .

It is a cyclic number.

It is not a de Polignac number, because 6915901 - 2⁵ = 6915869 is a prime.

It is a Chen prime.

6915901 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6915907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3457950 + 3457951.

It is an arithmetic number, because the mean of its divisors is an integer number (3457951).

Almost surely, 2^6915901 is an apocalyptic number.

It is an amenable number.

6915901 is a deficient number, since it is larger than the sum of its proper divisors (1).

6915901 is an equidigital number, since it uses as much as digits as its factorization.

6915901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2430, while the sum is 31.

The square root of 6915901 is about 2629.8100691875. The cubic root of 6915901 is about 190.5239554428.

The spelling of 6915901 in words is "six million, nine hundred fifteen thousand, nine hundred one".