6541971 has 8 divisors (see below), whose sum is σ = 8812944. Its totient is φ = 4316160.

The previous prime is 6541939. The next prime is 6541973. The reversal of 6541971 is 1791456.

6541971 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6541971 - 2⁵ = 6541939 is a prime.

6541971 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6541973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10950 + ... + 11531.

It is an arithmetic number, because the mean of its divisors is an integer number (1101618).

Almost surely, 2^6541971 is an apocalyptic number.

6541971 is a deficient number, since it is larger than the sum of its proper divisors (2270973).

6541971 is a wasteful number, since it uses less digits than its factorization.

6541971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22581.

The product of its digits is 7560, while the sum is 33.

The square root of 6541971 is about 2557.7277024734. The cubic root of 6541971 is about 187.0263815525.

The spelling of 6541971 in words is "six million, five hundred forty-one thousand, nine hundred seventy-one".