6654481 has 2 divisors, whose sum is σ = 6654482. Its totient is φ = 6654480.

The previous prime is 6654451. The next prime is 6654493. The reversal of 6654481 is 1844566.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6275025 + 379456 = 2505^2 + 616^2 .

It is a cyclic number.

It is not a de Polignac number, because 6654481 - 2⁷ = 6654353 is a prime.

It is a super-2 number, since 2×6654481² = 88564234758722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6654451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3327240 + 3327241.

It is an arithmetic number, because the mean of its divisors is an integer number (3327241).

Almost surely, 2^6654481 is an apocalyptic number.

6654481 is the 1632-nd centered pentagonal number.

It is an amenable number.

6654481 is a deficient number, since it is larger than the sum of its proper divisors (1).

6654481 is an equidigital number, since it uses as much as digits as its factorization.

6654481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23040, while the sum is 34.

The square root of 6654481 is about 2579.6280739673. The cubic root of 6654481 is about 188.0924643240.

The spelling of 6654481 in words is "six million, six hundred fifty-four thousand, four hundred eighty-one".