6481523 has 4 divisors (see below), whose sum is σ = 6505200. Its totient is φ = 6457848.

The previous prime is 6481499. The next prime is 6481543. The reversal of 6481523 is 3251846.

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 6481523 - 2¹⁰ = 6480499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6481543) 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 in 3 ways as a sum of consecutive naturals, for example, 11423 + ... + 11976.

It is an arithmetic number, because the mean of its divisors is an integer number (1626300).

Almost surely, 2^6481523 is an apocalyptic number.

6481523 is a deficient number, since it is larger than the sum of its proper divisors (23677).

6481523 is a wasteful number, since it uses less digits than its factorization.

6481523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23676.

The product of its digits is 5760, while the sum is 29.

The square root of 6481523 is about 2545.8835401487. The cubic root of 6481523 is about 186.4485551239.

The spelling of 6481523 in words is "six million, four hundred eighty-one thousand, five hundred twenty-three".