6541901 has 2 divisors, whose sum is σ = 6541902. Its totient is φ = 6541900.

The previous prime is 6541879. The next prime is 6541903. The reversal of 6541901 is 1091456.

6541901 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5593225 + 948676 = 2365^2 + 974^2 .

It is a cyclic number.

It is not a de Polignac number, because 6541901 - 2¹⁴ = 6525517 is a prime.

It is a super-3 number, since 3×6541901³ (a number of 21 digits) contains 333 as substring.

Together with 6541903, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6541903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3270950 + 3270951.

It is an arithmetic number, because the mean of its divisors is an integer number (3270951).

Almost surely, 2^6541901 is an apocalyptic number.

It is an amenable number.

6541901 is a deficient number, since it is larger than the sum of its proper divisors (1).

6541901 is an equidigital number, since it uses as much as digits as its factorization.

6541901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 6541901 is about 2557.7140184157. The cubic root of 6541901 is about 187.0257144807.

The spelling of 6541901 in words is "six million, five hundred forty-one thousand, nine hundred one".