6424561 has 8 divisors (see below), whose sum is σ = 7547904. Its totient is φ = 5391120.

The previous prime is 6424553. The next prime is 6424609. The reversal of 6424561 is 1654246.

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

It is a cyclic number.

It is not a de Polignac number, because 6424561 - 2³ = 6424553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6424531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22321 + ... + 22606.

It is an arithmetic number, because the mean of its divisors is an integer number (943488).

Almost surely, 2^6424561 is an apocalyptic number.

It is an amenable number.

6424561 is a deficient number, since it is larger than the sum of its proper divisors (1123343).

6424561 is a wasteful number, since it uses less digits than its factorization.

6424561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44951.

The product of its digits is 5760, while the sum is 28.

The square root of 6424561 is about 2534.6717736228. The cubic root of 6424561 is about 185.9007544693.

The spelling of 6424561 in words is "six million, four hundred twenty-four thousand, five hundred sixty-one".