6541463 has 4 divisors (see below), whose sum is σ = 6568848. Its totient is φ = 6514080.

The previous prime is 6541441. The next prime is 6541477. The reversal of 6541463 is 3641456.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6541463 - 2¹⁸ = 6279319 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6541433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13331 + ... + 13812.

It is an arithmetic number, because the mean of its divisors is an integer number (1642212).

Almost surely, 2^6541463 is an apocalyptic number.

6541463 is a deficient number, since it is larger than the sum of its proper divisors (27385).

6541463 is a wasteful number, since it uses less digits than its factorization.

6541463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27384.

The product of its digits is 8640, while the sum is 29.

The square root of 6541463 is about 2557.6283936491. The cubic root of 6541463 is about 187.0215404090.

The spelling of 6541463 in words is "six million, five hundred forty-one thousand, four hundred sixty-three".