6654561 has 8 divisors (see below), whose sum is σ = 9112704. Its totient is φ = 4316400.

The previous prime is 6654547. The next prime is 6654563. The reversal of 6654561 is 1654566.

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

It is not a de Polignac number, because 6654561 - 2¹⁹ = 6130273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6654563) 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, 29865 + ... + 30086.

It is an arithmetic number, because the mean of its divisors is an integer number (1139088).

Almost surely, 2^6654561 is an apocalyptic number.

It is an amenable number.

6654561 is a deficient number, since it is larger than the sum of its proper divisors (2458143).

6654561 is a wasteful number, since it uses less digits than its factorization.

6654561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59991.

The product of its digits is 21600, while the sum is 33.

The square root of 6654561 is about 2579.6435800319. The cubic root of 6654561 is about 188.0932180686.

The spelling of 6654561 in words is "six million, six hundred fifty-four thousand, five hundred sixty-one".