6541651 has 8 divisors (see below), whose sum is σ = 7150464. Its totient is φ = 5957760.

The previous prime is 6541621. The next prime is 6541663. The reversal of 6541651 is 1561456.

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

It is a cyclic number.

It is not a de Polignac number, because 6541651 - 2⁷ = 6541523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6541621) 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, 5680 + ... + 6733.

It is an arithmetic number, because the mean of its divisors is an integer number (893808).

Almost surely, 2^6541651 is an apocalyptic number.

6541651 is a deficient number, since it is larger than the sum of its proper divisors (608813).

6541651 is a wasteful number, since it uses less digits than its factorization.

6541651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12461.

The product of its digits is 3600, while the sum is 28.

The square root of 6541651 is about 2557.6651461831. The cubic root of 6541651 is about 187.0233320425.

The spelling of 6541651 in words is "six million, five hundred forty-one thousand, six hundred fifty-one".