6548481 has 9 divisors (see below), whose sum is σ = 9470019. Its totient is φ = 4360536.

The previous prime is 6548459. The next prime is 6548489. The reversal of 6548481 is 1848456.

The square root of 6548481 is 2559.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 378225 + 6170256 = 615^2 + 2484^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is a de Polignac number, because none of the positive numbers 2^k-6548481 is a prime.

It is a super-2 number, since 2×6548481² = 85765206814722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6548489) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 7251 + ... + 8103.

Almost surely, 2^6548481 is an apocalyptic number.

6548481 is the 2559-th square number.

6548481 is the 1280-th centered octagonal number.

It is an amenable number.

6548481 is a deficient number, since it is larger than the sum of its proper divisors (2921538).

6548481 is an frugal number, since it uses more digits than its factorization.

6548481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712 (or 856 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The cubic root of 6548481 is about 187.0883984433.

Multiplying 6548481 by its sum of digits (36), we get a square (235745316 = 15354²).

The spelling of 6548481 in words is "six million, five hundred forty-eight thousand, four hundred eighty-one".