6330561 has 4 divisors (see below), whose sum is σ = 8440752. Its totient is φ = 4220372.

The previous prime is 6330559. The next prime is 6330581. The reversal of 6330561 is 1650336.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6330561 - 2¹ = 6330559 is a prime.

It is an Ulam number.

It is a D-number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6330521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1055091 + ... + 1055096.

It is an arithmetic number, because the mean of its divisors is an integer number (2110188).

Almost surely, 2^6330561 is an apocalyptic number.

It is an amenable number.

6330561 is a deficient number, since it is larger than the sum of its proper divisors (2110191).

6330561 is a wasteful number, since it uses less digits than its factorization.

6330561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2110190.

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 6330561 is about 2516.0606113526. The cubic root of 6330561 is about 184.9896366242.

Adding to 6330561 its reverse (1650336), we get a palindrome (7980897).

The spelling of 6330561 in words is "six million, three hundred thirty thousand, five hundred sixty-one".